Which of the following would most likely promote random distribution?
A) territorial species
B) species that secrete chemicals to attract or inhibit other individuals
C) flocking and schooling behaviors
D) spacing during the breeding season
E) homogeneous chemical and physical factors in the environment
Answers
Flocking and schooling behaviours would almost certainly promote random distribution.
Flocking is indeed the phenomenon in which individuals move at roughly the same speed and remain as a group. Flocking animals vary in size from buffalo to bacteria.
'Flocking,' in which 'animals' move in formation. Sheep are an excellent example of flocking throughout nature, with one leader as well as the rest following. Zebras also stick together, which makes each other safe and secure; it's difficult for such a predator to tell one zebra apart from the rest.
In in addition to determining simple density, the distribution of individuals can provide additional information about a population. At a given point in time, species distribution patterns summarise the spatial relationship between a population's members within a habitat.
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Related Questions
Below are several statements about cells, tissues, organs, and organ systems in the human body. Some of the statements provide evidence of the different systems in the various levels of organization in the human body. Connect each level of organization to the statement that provides evidence of a system. (Not all answer choices will be used.)(Only one option can be selected in each section.)
Cells-
Tissue-
Organ-
Organ System-
Human Body-
Options:
1. The respiratory system exchanges gases with the atmosphere and supplies needed gases to the circulatory system for distribution to all the other cells.
2. The human body grows over time from birth until adulthood by getting needed resources from the environment.
3. The outermost layer of skin tissue does not get a supply of blood and must depend on diffused oxygen in the air.
4. Cells are the smallest units of living material and are common to all organisms on the planet.
5. All cells contain small structures, called organelles, that work together to keep the cell alive.
6. Muscle tissue is able to move because it is made up of many tiny cells, each of which can contract.
7. Humans have two kidneys, and both of these organs perform the same task.
8. Lungs work through an interaction of tissues that can exchange gases with the atmosphere, tissues that allow for gas exchange with the blood, and a protective outer tissue.
9. Nerves send information along the spinal cord to the brain and back down.
Answers
Answer:
Cells: 4
Tissue: 6
Organ: 8
Organ system: 1
Human body: 2
Explanation:
Label the parts of the below lipid molecule.
Is this a saturated or unsaturated lipid? __________________________
Answers
The lipid molecule shown in the image is a satured lipid.
What is a satured lipid?Saturated fatty acids are long carboxylic chains without double bonds in their structure jointly linked to a glycerol molecule. Saturated fatty acids are usually found in lipids and are solid at room temperature. Saturated fatty acids will contain many hydrogen atoms attached to their chain.
Its structure is linear and straight since it does not have double bonds in its hydrocarbon chain, like unsaturated fatty acids, so they can stay close to each other. For this reason its solid composition.
Therefore, we can confirm that the lipid molecule shown in the image is a satured lipid.
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Using the product rule, calculate the probability that two human parents would have a female child
A chance mother contributes X = 1 chance father contributes X = 0 1 + 0 = 1chance mother contributes X = 1 chance father contributes X = 0 1 + 0 = 1
B chance mother contributes X = 1 chance father contributes X = 1/2 1 X 1/2 = 1/2chance mother contributes X = 1 chance father contributes X = 1/2 1 X 1/2 = 1/2
C chance mother contributes X = 1/2 chance father contributes X = 1/4 1/2 X 1/4 = 1/8chance mother contributes X = 1/2 chance father contributes X = 1/4 1/2 X 1/4 = 1/8 D chance mother contributes X = 1/2 chance father contributes X = 1/2 1/2 X 1/2 = 1/4
Answers
The probability of two human parents producing a female child is 1/2; option B.
What is the probability of two human parents producing a female child?The probability of two human parents producing a female child can be determined using the product rule.
The X chromosome determines that a child is a female whereas the Y chromosome determines that a child is male.
the mother has two X chromosomes; XX
the father has one X chromosome and one Y chromosome; XY
the probability that the mother contributes X = 1
the probability that the father contributes X = 1/2
The probability that the parents will have a female child = 1 * 1/2
The probability that the parents will have a female child = 1/2
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How can we best describe the containers used in international transport? 1) Equipment designed to facilitate carriage of goods by one or more modes of transport that must meet ISO standards for dimens
Answers
Containers used in international transport are equipment designed to facilitate the carriage of goods by one or more modes of transportation that must meet ISO standards for dimensions, strength, and security. These containers are manufactured according to international standards and specifications to ensure that they can be handled safely during loading, unloading, and transportation.
ISO (International Organization for Standardization) standards play a vital role in ensuring that containers used in international transport are safe and reliable. ISO standards establish uniform dimensions and strength requirements for containers, making them easier to handle and transport across different modes of transportation such as sea, air, and land.
These standards help to ensure that containers can be loaded and unloaded safely and efficiently, minimizing the risk of damage or loss during transit.Containers used in international transport are typically made of steel or aluminum and are available in a variety of sizes and types to meet different shipping needs. oversized or irregularly shaped cargo. Regardless of the type of container used, all must meet the relevant ISO standards to ensure they are fit for purpose and safe to use.
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which statement is true of arteries and veins? group of answer choices arteries have tunica intima, veins do not neither arteries nor veins have tunica intima veins have tunica intima, arteries do not both arteries and veins have tunica intima
Answers
The statement which is true of arteries and veins is both arteries and veins have tunica intima option D.
The inner lining of blood arteries is called the Tunica Intima. Squamous endothelial cells form a single layer in the tunica intima. Lamina that is elastic supports it. Blood passing through a blood artery directly contacts the tunica intima endothelial cells.
Blood travels through blood vessels, which are tubes that are fixedly closed. All species with a closed circulatory system have blood that passes through blood vessels. A network of capillaries, arterioles, venules, arteries, and veins make up the blood vessels. Blood veins carry nutrition, chemicals, and oxygen to various tissues while also removing waste materials like carbon dioxide from the tissue.
Blood is transported via veins back to the heart from various tissues and organs and by arteries from the heart to various tissues, i.e. away from the heart. In capillaries, numerous chemicals and gases are exchanged between the blood and tissue.
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Complete question:
Which statement is TRUE of arteries and veins?
arteries have tunica intima, veins do not
Neither arteries nor veins have tunica intima
Veins have tunica intima, arteries do not
Both arteries and veins have tunica intima
what are all of the possible parental crosses that could give rise to offspring with all of the above phenotype combinations
Answers
In a simple monohybrid cross where one trait is being studied and the mode of inheritance is Mendelian, there are four possible parental crosses that could give rise to offspring with all possible combinations of phenotypes:
Homozygous dominant x homozygous recessive
Heterozygous dominant x homozygous recessive
Heterozygous dominant x homozygous dominant
Homozygous dominant x heterozygous dominant
The resulting offspring of these crosses can then exhibit different phenotype combinations depending on the specific genotype of each parent and the mode of inheritance of the trait being studied.
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All of the parental crosses that could give rise to offspring with all of these phenotypes would be any cross between two individuals that are heterozygous (i.e., RrYy) for both traits.
What is a phenotype?
A phenotype refers to the observable characteristics of an organism, such as its physical appearance or behavior. A parental cross is a breeding experiment where two individuals with different traits are crossed to produce offspring. Finally, the offspring are the progeny resulting from a parental cross.
Possible parental crosses:
With that in mind, let's consider the possible parental crosses that could give rise to offspring with all of the above phenotype combinations. It's important to note that the specific phenotype combinations you're referring to are not specified in your question, so I will assume that you are asking about all possible combinations of traits.
1. Both traits match one parent's phenotype (e.g., if the parental cross is RRYY x rryy, all offspring will have round yellow seeds)
2. Both traits are a mix of the parents' phenotypes (e.g., if the parental cross is RrYy x RrYy, the offspring could have round yellow, round green, wrinkled yellow, or wrinkled green seeds in a 9:3:3:1 ratio)
3. One trait matches one parent's phenotype, while the other matches the other parent's phenotype (e.g., if the parental cross is RRYY x rryy, all offspring will have round yellow seeds)
4. Both traits are completely different from either parent's phenotype (e.g., if the parental cross is RrYy x rryy, all offspring will have round yellow seeds).
Given these four possible combinations, the parental crosses that could give rise to offspring with all of these phenotypes would be any cross between two individuals that are heterozygous (i.e., RrYy) for both traits. This is because a cross between two heterozygotes would produce offspring in a 9:3:3:1 ratio, which includes all four of the possible phenotype combinations.
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Nerve cells that react to outside stimulation by sending a sensory message to the brain are:_________
Answers
Nerve cells that react to outside stimulation by sending a sensory message to the brain are Receptors.
Which nerves enable a muscle to respond when the brain sends signals to it?
Neurons are the cells found in nerves. Neurons in the spinal cord transmit information from the brain. Motor neurons are the neurons that transmit these signals to the muscles. A muscle fiber is located extremely close to each motor neuron terminal. Neurotransmitters are released from the axon into the synapse during neuronal communication as a result of an electrical impulse. Crossing the synapse, the neurotransmitters attach to receptors, which are particular molecules on the opposite side. The dendrites include receptors. The message is taken in and processed by receptors.Learn more about the Neurons with the help of the given link:
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Natural disasters can also play a huge role in changing selection pressures for a species. How could a natural disaster cause a similar change in a population?
Answers
Answer:
it raises important concerns about increased human exposure to coastal flooding, hurricanes, and tsunamis. Explanation: feel free to mark brainliest. have a good day and gn
does The replication of DNA occur during anaphase?
Answers
To answer this question we need to remember a little of the cell cycle and the cell division process. When cell division starts (Prophase) the DNA condensates and forms chromosomes, at this point DNA, has to be already duplicated because when acquires a condensed form it can't be replicated or transcribed. Therefore replication occurs before, this is during the S phase (synthesis) of the cell cycle, previous to any phase of mitosis and meiosis.
Answer:
No, the replication of DNA does not occur during anaphase. DNA replication occurs during the synthetic phase (S phase) of the Interphase.
____ are reactants in the process of cell respiration
Answers
Answer:
C6H12O6 and O2
Explanation:
We can answer this question by reffering to the chemical equation of aerobic respiration
C6H12O6+6O2---->6CO2+6H2O
the ones on the left side are reactants and the ones on the right side are products
Based on the graph, how would Cook County, Georgia, be affected in the future if the trend continues and aquifers are eventually depleted
Answers
We can see here that Cook County, Georgia, will be affected in the future if the trend continues and aquifers are eventually depleted in the following way: C. Farmers would have less or no water for irrigation
What is trend?A trend refers to a general direction or pattern of change in a particular field, domain, or society over a period of time. It represents the prevailing tendency or inclination towards a certain style, behavior, concept, or phenomenon that gains popularity or widespread acceptance.
Trends can emerge in various areas, including fashion, technology, culture, business, social media, entertainment, and more.
The graph shows that the water level in the aquifer is decreasing over time. This means that there will be less water available for irrigation in the future.
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The complete question is:
Based on the graph, how would Cook County, Georgia, affected in the future if the trend continues and aquifers are eventually depleted?
USGS well 18H016, Cook County, Georgia
160
165
170
175
180-
185
1967
1974
1981
Year
1988
1995
2002
A. Land may rise because the weight of the water no longer compacts it.
B. It would become easier to cultivate crops.
C. Farmers would have less or no water for irrigation
D. Vegetation fed by groundwater would flourish.
Name THREE ways Earth’s oceans affect your life.
Answers
The ocean is good for animals, animals need the water and animals help the water in some type of way. And half of the people including me loves sea animals, so without the ocean, there will be no sea animals.
And the ocean is good because it produces oxygen and carbon dioxide.
Three ways by which Earth's ocean affects your life are it supplies freshwater (most rain comes from the ocean) and nearly all of Earth's oxygen. The ocean moderates the Earth's climate influences our weather and impacts human health.
What are the oceans' effects?It offers food, medications, minerals, and sources of renewable energy. Fishing, seafood, pleasure, and science are all supported by it. Our ocean is the first "super-highway," connecting economies and moving people and things around the world.
Animals benefit from the ocean, as they both need and contribute to the water in some form. And since I am one of the people that like sea life, there wouldn't be any sea life without the ocean.
Therefore, additionally, the ocean is beneficial since it emits carbon dioxide and oxygen.
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Which of the following is true of binary fission?
It produces two identical daughter cells.
It requires two gametes to fuse.
It only occurs in animal cells.
It is the result of sexual reproduction
Answers
Answer:
I THINK THIS IS NUMBER FOURRRRRRRR
Explanation:
Which of the following phrases describes a typical river mouth? a. clearer water with high levels of oxygen b. decreased vegetation and lower oxygen levels c. increased species diversity d. high levels of vegetation
Answers
Answer:
B) decreased vegetation and lower oxygen levels
Explanation:
right on Edg
The phrase describes a typical river mouth decreased vegetation and lower oxygen levels.
What is river mouth?The amount of oxygen in the air or water is referred to as the level of oxygen. Oceanic, freshwater, and terrestrial species that photosynthesize create oxygen. Plants, algae, and bacteria are some of these organisms.
Around 70% of the oxygen in the atmosphere is produced by photosynthesizing marine algae. Before the emergence of bacteria that make oxygen through photosynthesis, there was hardly any oxygen in the air or the water.
The discovery of oxygen changed the course of life's history on Earth; nowadays, oxygen is necessary for respiration, the metabolic process that releases energy from food, in the great majority of land, freshwater, and oceanic creatures.
Therefore, The phrase describes a typical river mouth decreased vegetation and lower oxygen levels.
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Why cannot all plants prepair there food?try a short answer
Answers
Answer:
to the absence of chlorophyll
Identity achievement has been associated with all of the following except _________.
a. high self-esteem
b. achievement motivation
c. insecurity d. conscientiousness please select the best answer from the choices provided a b c d
Answers
I hope this helps.
yibble yabble give me answer plz
Answers
Answer:
Nucleotide is the monomer for a nucleic acid.Explanation:
Nucleic acids are long chain polymers of nucleotides, so they are also called polynucleotides.
What is the Monomer for a Nucleic Acid?
Answer:-Nucleotide is the Monomer for a Nucleic Acid.
Nucleotides are the basic component of nucleic acids. Nucleotides are composed of phosphate groups and sugar molecules (either RNA ribose or DNA deoxyribose) bound to nitrogen-containing substances.Pick one of these critical scarce resources:
• Phosphorus
• Scandium
• terbium
- Provide 3 reasons why this resource is so critical along with
what the resource is primarily used for.
- As the availability of the resource decreases, what would
you expect to happen to the price of the resource and
how will that impact the demand for the resource, and the costs of production of products that rely on that resource?
- Explain 3 ways the national economy would be impacted
by decreased availability of this resource.
- Explain 3 things American companies should do to
minimize the negative economic impacts of declining
availability of the resource.
- Explain 3 things the Federal government should do to
support the economy as this resource declines in
availability.
Answers
Let's focus on Phosphorus as the critical scarce resource. Here are the answers to your questions:
Reasons for Criticality and Primary Use of Phosphorus:
a. Essential Nutrient: Phosphorus is an essential nutrient for plant growth. It plays a crucial role in processes like photosynthesis, energy transfer, and DNA synthesis. Without phosphorus, plants cannot develop properly, impacting agricultural productivity.
b. Limited Reserves: Phosphorus reserves are finite and concentrated in a few countries. The scarcity arises from limited availability and geopolitical factors, making it critical for long-term sustainability.
c. Multiple Applications: Phosphorus is primarily used in fertilizers to enhance soil fertility and crop yields. It is also utilized in animal feed additives, detergents, food preservatives, and various industrial applications.
Impact of Decreased Availability on Price, Demand, and Production Costs:
As the availability of phosphorus decreases:
a. Price Increase: The price of phosphorus would likely rise due to supply-demand imbalances. Limited supply in the face of consistent or growing demand would drive up prices.
b. Demand Impact: Higher prices may lead to reduced demand for phosphorus-dependent products, especially in agriculture. Farmers might reduce fertilizer usage or seek alternatives, affecting the demand for phosphorus.
c. Production Costs: Industries relying on phosphorus would experience increased production costs due to higher input costs. This includes agricultural production, leading to potentially higher food prices, and other sectors dependent on phosphorus-based products.
Impact on National Economy:
Decreased availability of phosphorus can impact the national economy in several ways:
a. Agricultural Productivity: A decline in phosphorus availability would hamper agricultural productivity, leading to lower crop yields and potentially affecting food security.
b. Economic Sectors: Industries relying heavily on phosphorus, such as agriculture, food processing, and chemical manufacturing, may face challenges. The increased costs could impact their competitiveness and profitability.
c. International Trade: Countries heavily reliant on phosphorus imports might face trade imbalances and vulnerability in global markets. Dependence on a scarce resource increases the risk of supply disruptions and trade disputes.
Actions for American Companies:
American companies can minimize negative economic impacts by:
a. Resource Efficiency: Implementing technologies and practices that maximize the efficient use of phosphorus, such as precision agriculture and nutrient recycling systems.
b. Diversification of Inputs: Investing in research and development to identify and adopt alternative nutrient sources or develop phosphorus-efficient crop varieties.
c. International Cooperation: Collaborating with international partners to explore sustainable phosphorus management strategies, including recycling and responsible mining practices.
Actions for the Federal Government:
The Federal government can support the economy in the face of declining phosphorus availability by:
a. Research and Development: Investing in R&D initiatives to explore alternatives to phosphorus-based fertilizers, improve phosphorus recovery from waste streams, and promote sustainable agricultural practices.
b. Policy Measures: Implementing policies that incentivize phosphorus recycling, sustainable land management, and efficient fertilizer use. This can be done through regulations, tax incentives, or subsidies.
c. International Engagement: Engaging in global partnerships and collaborations to address phosphorus scarcity collectively, advocating for responsible mining practices, and ensuring fair trade in phosphorus-related products.
These actions aim to reduce dependence on phosphorus, promote resource efficiency, and stimulate innovation to mitigate the economic impacts of its declining availability.
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In the Galapagos Island finches, the variation in the beak shape corresponded to which finch characteristic?
Answers
Answer: their diet
Explanation:
Answer:
Their diet
Explanation:
Plato
Please helppp will give brainlist to the correct answer
Answers
Answer:
B(doubling time = 70/growth rate(r))
In drought conditions, many plants aren't able to survive because they do not have enough water to photosynthesize. Which step in photosynthesis would be blocked by drought conditions?
A. Photosystem II
B. ATP Synthase
C. Electron Transport Chain
D. Photosystem I
E. Calvin Cycle
Answers
In drought conditions, the step in photosynthesis that would be blocked by drought conditions is the Calvin Cycle optione
Photosynthesis is the process by which green plants and other organisms use sunlight to synthesize foods with the help of water and carbon dioxide. It's a process in which green plants use sunlight to produce food molecules such as glucose, oxygen, and water vapor through a process known as photosynthesis.
What is photosynthesis?Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into glucose and oxygen, which is then used as an energy source. Photosynthesis is the process by which energy from the sun is converted into chemical energy that is stored in the form of carbohydrates or sugars. Carbon dioxide and water are used in the process of photosynthesis, while oxygen is a byproduct.
During the process of photosynthesis, three essential processes occur : Capturing energy from sunlightUsing captured energy to generate ATP (adenosine triphosphate), which is used to store and transfer energy to other reactionsUsing ATP to power the reduction of carbon dioxide, which forms carbohydrates or sugars.
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Reproduction for dolphins and badgers and people is more complicated because
A. we have to apply for a license before we can reproduce
B. have to find a partner
C. go through the cellular process of MITOSIS to produce sex cells.
Answers
Answer:
B. have to find a partner
Explanation:
Reproduction for dolphins and badgers and people is more complicated because, it has to find a partner.
In the spleen, ___________ from red blood cells is broken down to form (unconjugated) bilirubin. Unconjugated bilirubin is insoluble in blood plasma so binds to albumens in the blood and is sent to the ______. Bilirubin ___________ with glucuronic acid to form conjugated bilirubin. It forms part of the bile, which is ______ in the gall bladder. Food in the gut stimulates gall bladder contraction and the bile passes down the ____ ____ to the _____ _________, where it aids in the digestion of ______.
Answers
Answer:
Haemoglobin; liver; binds; stored; bile duct; small intestine; lipids.
Explanation:
Serology can be defined as the study of blood and the reactions between antibodies and antigens in the blood.
In Biology, blood pH can be defined as a measure of the hydrogen ion (H¯) concentration of blood i.e the level of alkalinity or acidity of blood.
Basically, the normal blood pH of a human being should be between 7.35 and 7.45.
Hence, one of the ways in which the body regulates blood pH is with proteins. Proteins help regulate blood pH by accepting and releasing hydrogen ions. Typically, when the blood pH falls, the hydrogen ions (H¯) are accepted (absorbed) while hydrogen ions are released when the blood pH rises.
For example, a protein such as haemoglobin which makes up a composition of the red blood cells, binds an amount of acid required to regulate blood pH.
In the spleen, haemoglobin from red blood cells is broken down to form (unconjugated) bilirubin. Unconjugated bilirubin is insoluble in blood plasma so binds to albumens in the blood and is sent to the liver. Bilirubin binds with glucuronic acid to form conjugated bilirubin. It forms part of the bile, which is stored in the gall bladder. Food in the gut stimulates gall bladder contraction and the bile passes down the bile duct to the small intestine, where it aids in the digestion of lipids.
g proteins group of answer choices bind gtp dephosphorylate itams are transcription factors downmodulate immune responses are adhesion molecules
Answers
G proteins are particular proteins with the capacity to tie the nucleotides guanosine triphosphate (GTP) and guanosine diphosphate (Gross domestic product).
Some G proteins, like the flagging protein Ras, are little proteins with a solitary subunit. Following enactment, both the GTP-bound α subunit and the free βγ complex can tie to downstream effector particles and intercede different reactions in the objective cell.
G proteins are sub-atomic switches that are dynamic in the GTP-bound structure, are equipped for hydrolyzing the GTP-bound nucleotide to Gross domestic product, and in the Gross domestic product bound structure are dormant. In the dynamic GTP-bound structure, the little G proteins can tie to effectors to proliferate flagging.
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Which natural process is responsible for ridge push ? Penn foster
Answers
It occurs when the weight of a mid-ocean ridge pushes an oceanic plate away from the ridge and towards a subduction zone, where the plate is eventually pulled down into the mantle.
So, the natural process that is responsible for ridge push is the movement of tectonic plates, which is driven by convection currents in the mantle.
Only need answers.
1) Which of the following statements are 1 point true for filament winding process? 1. It is not possible to produce parts with reverse curvature (female features). 2. Fiber direction cannot be changed within a layer of winding. 3. Composite product configuration should be such that it should facilitate in mandrel extraction. 1 and 3 1 and 2 2 only All 1,2 and 3 2) flakes are commonly employed in 1 point paints and other coatings to enhance quality of finished surface. Mica Silver Aluminum Copper 3) Assertion (A): Moldings made from SMC1 point have higher mechanical properties as compared to moldings made from DMC Reason (R): SMC contains longer as well as more fibers as compared to DMC Both A and R are true and R is the correct explanation of A Both A and R are true but R is NOT the correct explanation of A A is true but R is false A is false but R is true 4) Ceramics are very sensitive to thermal 1 point stresses. These materials have High Young's modulus and Low elongation capability. Low Young's modulus and High elongation capability. High Young's modulus and High elongation capability. Low Young's modulus and Low elongation capability. 5) In bag molding process, bleeder plies 1 point are used to act as a path way for air bubbles and volatile materials to exit out absorb excess resin protect against contaminating agents ensure that the part does not get stuck to the mold plate 6) is the most suitable fiber for the 1 point production of personal armor. Glass Fiber Carbon Fiber Ceramic Fiber Aramid Fiber 7) Match List I with List II and select the 1 point correct answer. List I a) Tungsten carbide in cobalt matrix b) Chromium carbide in cobalt matrix c) Titanium carbide in cobalt matrix d) Oxide based cermet List II 1. Turbine parts, Torch tips and Hot mill parts. 2. Thermocouple protection tube. 3. Wire drawing dies, Precision gauges. 4. Valve parts, Nozzles, High load bearings
a−3,b−4,c−1,d−2
a-3, b-4, c-2, d-1
a-2, b-1, c-3, d-4
a-2, b-1, c-4, d-3
8) Identify the fabrication process from the 1 point following diagram. Resin Transfer Molding Filament Winding Pultrusion Infusion 9) Which of the following statements are 1 point true for Spray Lay-Up process? 1. Laminates tend to be very resin-rich and therefore excessively heavy. 2. Short as well as long fibers can be incorporated by this method. 3. Resins need to be low in viscosity. 1 and 2 2 only 1 and 3 All 10). is a suitable resin for vacuum 1 point bag molding process. Polyesters Epoxy Vinylester None of these.
Answers
Filament winding is a manufacturing process used to produce composite structures, typically cylindrical or spherical shapes, such as pipes, pressure vessels, and rocket motor casings. Hence the correct option is D.
The filament winding process involves the precise winding of continuous fibers, typically made of materials like carbon or fiberglass, onto a rotating mandrel or mold.In filament winding process, it is possible to produce parts with reverse curvature, contrary to statement 1. Fiber direction can be changed within a layer of winding, so statement 2 is false. Composite product configuration should facilitate mandrel extraction, which is stated correctly in statement 3.
During the process, the fibers are impregnated with resin, which acts as a binding agent, providing strength and structural integrity to the final product. The winding pattern can be customized to achieve specific design requirements, such as varying fiber orientations or thicknesses in different sections of the structure.
Hence the correct option is D.
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What factors associated with the evolutionary biology of bacteria facilitate the evolution of resistance to antibiotics?
a. high mutation rates
b. horizontal gene transfer
c. sub-lethal does of antibiotics
d. all of the above
e. none of the above
Answers
The factors associated with the evolutionary biology of bacteria that facilitate the evolution of resistance to antibiotics are high mutation rates, horizontal gene transfer, and sub-lethal does of antibiotics. Therefore, the correct option is option d) all of the above.
Antibiotics are effective treatments for bacterial infections, but their misuse and overuse have led to the development of antibiotic-resistant bacteria. Bacteria evolve resistance to antibiotics due to the following factors:
1. High Mutation Rates: Bacteria reproduce asexually, meaning they copy their DNA and divide, generating two genetically identical offspring. However, some errors can occur in the replication process, leading to genetic mutations. A high mutation rate increases the likelihood of antibiotic resistance genes evolving within the bacterial population.
2. Horizontal Gene Transfer: Bacteria can transfer genes through horizontal gene transfer. This process involves the direct transfer of genetic material from one bacterium to another. This transfer can occur via three mechanisms: transformation, transduction, and conjugation. This process allows the bacteria to acquire antibiotic resistance genes from other bacterial species.
3. Sub-Lethal Doses of Antibiotics: Exposure of bacteria to sub-lethal doses of antibiotics may not kill them, but it can induce mutations and trigger the expression of dormant antibiotic resistance genes. As a result, bacteria can survive higher doses of antibiotics, making it more difficult to treat infections.
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deficiency symptoms of molybdenum in photosynthesis
Answers
Answer:
Molybdenum deficiency symptoms in most plants are associated with a build-up of nitrate in the affected plant part. This is a result of poor nitrate reductase activity. Symptoms include: pale leaves with interveinal and marginal chlorosis (yellowing) and necrosis (scald);
which of the following binds to receptors on liver cells inducing them to produce more glucose? epinephrine and glucagon insulin insulin and epinephrine glucagon
Answers
Epinephrine and glucagon attach to liver cell receptors and stimulate the production of additional glucose. Pancreatic cells secrete glucagon, and glucagon secretion is increased with fasting and physical activity. Hence (d) is the correct option.
A facilitative glucose transporter called GLUT2 permits glucose to flow in both directions into and out of cells. Human liver, kidney, pancreatic beta-cells, and small intestine all express GLUT2 mRNA. Even after a few hours of fasting, the liver releases glucose into the blood when nutrients are short by controlling the two main metabolic routes for producing glucose, glycogenolysis and gluconeogenesis. Key enzymes in these pathways need to be properly controlled in order to accomplish net glucose production or absorption.
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Which of the following binds to receptors on liver cells inducing them to produce more glucose?
a. Insulin and epinephrine
b. Insulin
c. Glucagon
d. epinephrine and glucagon
In human traits, having dimples is dominant over not having dimples. If a mother heterozygous with dimples (Dd) and a father with no dimples (dd) have children, what would be the expected outcome of their children?
A)100% with dimples, 0% without dimples
B)25% with dimples, 75% without dimples
C)0% with dimples, 100% without dimples
D)50% with dimples, 50% without dimples
E)75% with dimples, 25% without dimples
Answers
Answer:
i pretty sure its c
Explanation:
because if DD means that the have diples .dd would have to be the opisite