Answer: muscle and bone
Name and describe 3 major characteristics of vascular plants?
Answer:
Roots. Roots are simple tissues that are derived from the stem of the plant.
Xylem. The xylem is tissue that transports water throughout the plant.
Phloem. The phloem is the plant's food transportation system.
:)
Three major characteristics of vascular plants are, roots are simple tissues that are derived from the stem of the plant, Xylem is the tissue that transports water throughout the plant, and phloem is the plant's food transportation system.
What is the vascular plant?The vascular plants are also called tracheophytes. These are all land plants that have special lignified tissues that conduct water and minerals.
The major characteristics of vascular plants are specialized tissues for consuming minerals and water.
Thus, the stem of the plant derived roots, are basic tissues that carry nutrients throughout the plant. Xylem is the tissue that carries water throughout the plant. Phloem is the tissue that carries water throughout the plant.
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pls help fast! im in a test! Select the processes that may be used for composting a manure pile.
watering
aeration
heating
UV light treatment
burning
layering with vegetation
To guarantee that a manure pile is adequately composted, a number of procedures must be used.
To keep the pile at the proper moisture level and allow oxygen to move throughout, the pile must be watered, aerated, and covered with plants. Heating is essential since it will hasten the composting process.
To assist eliminate any germs that may be in the pile, UV light treatment can also be performed. A manure pile cannot be composted successfully without completing each of these steps.
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The valve that prevents backflow of blood into the right ventricle is the _______ _______ valve.
What is one way an organism could use auditory communication to help it survive?
Responses
marking territory
marking territory
greeting another member of the population
greeting another member of the population
calling for a mate
calling for a mate
calls to others to warn of a pred
Auditory communication is the use of sounds to send and receive information. Auditory communication is particularly important in birds. They use sounds to communicate warnings, attract mates, signal other birds to flock together, and for other important purposes. Some of the sounds made by birds are called birdsongs.
I guess all the options are correct
What are atoms?
A. Tiny particles that make up all matter
B. Tiny particles that can only be seen with a microscope
C. Tiny particles that look like gnats
D. Particles that are so large they can not be seen
Answer:
the smallest particle of a chemical element that can exist.
when a clear liquid medium becomes uniformly cloudy or opaque, it is described as a ___ culture.
"When a clear liquid medium becomes uniformly cloudy or opaque, it is described as a TURBID culture." A culture is a microbiological medium or nutrient solution in which microorganisms can develop and thrive. The microbial growth can alter the color, consistency, and appearance of a culture.
A liquid culture is a microbiological medium that is liquid rather than solid. Liquid media are used for a variety of purposes in microbiology. They are frequently used for the cultivation and observation of microorganisms on a large scale, as well as for physiological and biochemical testing. Liquid cultures are beneficial for studying the physiology of microbial populations because they are easy to mix, enabling uniform nutrient distribution, and it can be adjusted to have specific growth conditions. The culture's optical density can be measured using a spectrophotometer to determine cell density and the amount of time required to reach a specific point in the growth curve. A culture is referred to as turbid when a clear liquid medium becomes uniformly cloudy or opaque. A turbid culture indicates the presence of a large number of microorganisms in the medium. The bacteria grow to such a density in the medium that it becomes cloudy or turbid due to light scattering.
A microbe liquid culture, also known as a microbial liquid culture or simply a bacterial culture, refers to the growth of microorganisms, such as bacteria or yeast, in a liquid medium. It involves the cultivation of these microorganisms in a liquid solution containing nutrients and appropriate conditions for their growth and reproduction.
Microbial liquid cultures are commonly used in microbiology and biotechnology for various purposes, such as studying microbial physiology, conducting experiments, producing biomolecules or enzymes, and performing genetic manipulations. The liquid medium provides a favorable environment for the microorganisms to proliferate and allows for easy manipulation and sampling of the culture.
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what do you notice is the main difference between the structure of the connective tissues and the structure of the epithelium? make sure to note the organization of cells in these two tissue types. how does this structure relate to function?
In the structure of epithelium, the cells are arranged in a regular fashion, either in a single layer or stacked one upon another to form many layers. Whereas in the connective tissues, the arrangement of the cells depends upon the location of the tissue, the cells are arranged irregularly. They can be either loosely packed or densely packed.
Since the function of epithelium is to form the outer layer of the skin or form the lining of organs, therefore the cells are arranged in a regular fashion to completely cover the organ they are present in.
Connective tissues have the function of supporting the other tissues or organs. For this the cells are arranged in an irregular haphazard manner so that they support the organ as well as remain light-weighed.
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Which statement best describes a cause and its effect that occurs during the process of muscle contraction?
Answer:
Muscle contraction can be explained by sliding filament theory.
1. Activation of muscles: the motor nerve generates an impulse to transfer signals from neurons to neuromuscular junction. This stimulates sarcoplasmic reticulum to release calcium into the muscle cells.
2.Contraction of muscles: calcium in the muscle cells binds with troponin causes actin and myosin to bind. Actin and myosin in the muscle binds and contract by utilizing ATP as a source of energy.
Students are studying DNA sequencing as evidence of evolutionary relationships between animals and humans. The chart
illustrates the similarities between animal and human DNA.
Human/Animal DNA Similarities
Animal
% of DNA Similar
to Human DNA
Chicken
65
Chimpanzee
99
Dog
84
Mouse
90
Which statement best summarizes an evolutionary relationship supported by the data in the table?
Answer:
B
Explanation:
chimpanzee are most closely related to humans
that is science view (Gen 1: 26 is the real creation of man)
What are the effects of large scale chemical intensive agriculture, and what are the barriers to sustainable, regenerative farming?
Large-scale chemical intensive agriculture has several effects on the environment and human health, while barriers to sustainable, regenerative farming include the high cost of inputs, lack of access to markets, and inadequate knowledge of regenerative farming techniques.
Effects of large-scale chemical intensive agricultureLarge-scale chemical intensive agriculture has numerous effects, including:
1. Soil degradation
The use of chemical fertilizers, pesticides, and herbicides degrades soil quality, making it less fertile. Soil erosion, compaction, and loss of biodiversity are some of the effects of soil degradation.
2. Pollution of water resources
The use of chemical fertilizers and pesticides pollutes water resources by contaminating groundwater and surface water. This affects human health and aquatic life.
3. Loss of biodiversity
Intensive agriculture often involves monoculture, which eliminates biodiversity and destroys habitats for wildlife.
4. Greenhouse gas emissions
Agriculture is a significant source of greenhouse gas emissions. Livestock farming produces methane, which is a potent greenhouse gas, while intensive farming practices result in nitrous oxide emissions.
Barriers to sustainable, regenerative farming
1. High cost of inputs
The cost of purchasing organic fertilizers, compost, and other regenerative farming inputs is often high. This makes it difficult for small-scale farmers to adopt sustainable agriculture practices.
2. Lack of access to markets
Farmers may lack access to markets for their sustainably produced crops, making it difficult for them to earn a living.
3. Inadequate knowledge of regenerative farming techniques
Farmers may not be aware of the benefits of sustainable, regenerative farming practices or may not have access to information about how to implement these practices.
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What molecule provides short term energy
Answer:
ATP
Explanation:
it's a molecule called ATP (adenosine triphosphate)
Answer:
Carbohydrate is the answer
WAD: Animal Studies- these studies found that (flexion/extension/rotation) caused the largest injuries
It is false that animal Studies- these studies found that (flexion/extension/rotation) caused the largest damages.
According to animal studies, the most severe injuries in whiplash-type injuries are caused by neck extension (backward movement).
This is because the lower cervical spine (neck) is at its most vulnerable to damage during extension, and the ligaments and other soft tissue structures are at risk of being overstretched or torn.
Furthermore, during extension, the spinal cord is more vulnerable to compression or stretching, which can cause further damage.
Thus, it's worth noting that the exact mechanism and factors that contribute to whiplash injury in humans are still unknown, and animal studies aren't always directly applicable to human injuries.
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Much recent evidence supports the hypothesis that modern humans originated in Africa and then spread out into Europe and Asia. Which of the following findings is/are consistent with this hypothesis? A. Neanderthal sequences are found in modern humans populations from Europe and Asia, but not Africa. B. Genetic diversity is greatest in African humans compared to other human populations.C. Lighter pigmentation, seen in European and Asian populations compared to African populations, appears to have evolved from African populations via partially independent routes as humans expanded into Europe and Asia. D. All of the above
The finding consistent with the hypothesis that modern humans originated in Africa and spread into Europe and Asia is option D, "All of the above."
Which finding supports the hypothesis of modern human origins in Africa and migration to Europe and Asia?The findings that Neanderthal sequences are present in modern human populations from Europe and Asia but not Africa, that genetic diversity is highest in African humans compared to other populations, and that lighter pigmentation evolved from African populations as humans expanded into Europe and Asia all support the hypothesis of modern human origins in Africa and subsequent migration.
The presence of Neanderthal sequences in European and Asian populations suggests interbreeding between Neanderthals and modern humans after their migration out of Africa. This supports the idea that modern humans originated in Africa and then migrated to other regions.
The greater genetic diversity in African humans compared to other populations is consistent with the hypothesis that Africa was the original homeland of modern humans. This diversity reflects a longer history of genetic evolution and variation within the African population.
The evolution of lighter pigmentation in European and Asian populations from African populations via partially independent routes further supports the hypothesis. It suggests that adaptations to different environments and levels of UV radiation occurred as humans migrated and settled in new regions.
The understanding of human origins and migration patterns is a complex field of study that combines evidence from genetics, archaeology, anthropology, and other disciplines.
Research continues to shed light on the origins of modern humans and their dispersal across different continents. By examining genetic, skeletal, and cultural evidence, scientists aim to piece together the fascinating story of our species' history and how we have populated the world.
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the best type of fiber to eat for reducing constipation is ________.
The best type of fiber to eat for reducing constipation is insoluble fiber.What is fiber?Fiber is the carbohydrate that does not get digested in the small intestine. It is commonly classified into two types;
insoluble fiber and soluble fiber. Soluble fiber dissolves in water to form a gel-like substance and is essential for reducing blood cholesterol levels while insoluble fiber does not dissolve in water and its purpose is to promote the movement of material through your digestive system.What is constipation?Constipation is a situation where you have trouble passing stools, or having bowel movements. Constipation affects many people and it is usually caused by lack of fiber in the diet. Fiber increases stool bulk and helps them to pass easily through the digestive system.Reducing constipation and fiberConsuming fiber can reduce constipation. Dietary fiber helps in the digestion process by providing bulk to the fecal matter, thus enabling it to move more smoothly through the colon. According to nutritionists, insoluble fiber is the best type of fiber to eat for reducing constipation. This is because it absorbs water, adding bulk to the stool and thus helping it to move quickly through the digestive tract.In conclusion, insoluble fiber is the best type of fiber to eat for reducing constipation. Soluble fiber, on the other hand, is essential for reducing blood cholesterol levels. Therefore, both types of fiber are vital to the body.
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Describe one limitation of watson and cricks dna model
The bases, bound by magnesium or calcium ions, were placed wrongly inside the DNA molecule by Watson and Crick's model, whereas the phosphates were placed outside.
The use of empirical data is a major defining feature of science.The model's flaw is that it only depicts whole nucleotides as single rectangular boxes, ignoring the reality that nucleotides also include a nitrogenous base, a sugar, and a phosphate.
According to Watson and Crick's idea, the two DNA strands of the double helix are held together by hydrogen bonds formed between nitrogenous bases on opposing DNA strands.
Each pair of bases, which are parallel to one another, creates a flat "rung" on the ladder-like structure of the DNA molecule. Base pairings don't include
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2. Roman is writing an equation to show the effect of the gravitational pull of the Sun and the Moon on tidal range during neap tides. Which equation would Roman use to show
this effect?
a. Earth - Moon = minimum tidal range
b. Sun+ Earth = maximum tidal range
c. Moon - Sun = minimum tidal range
d. Sun + Moon = maximum tidal range -
Would you choose a map that used a Mercator projection if you were going to explore Antarctica? What other type of map could you use?
yes a Mercator map projection can be used to explore Antarctica
What is a Map Projection?A map projection is defined as to represent the 3-dimensional surface of the earth on a 2-dimensional plane.
It refers to flatten a globe’s surface into a plane by systematic transformation of the latitudes and longitudes from a particular location.
The Mercator projection is a type of cylindrical map projection
cylindrical map projection refers to a map projection of the terrestrial sphere on the surface of a cylinder unrolled as a plane.
Mercator projection is a standard projection for navigation as it is able to conserve lines of constant course; It is derived mathematically
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Check all the characteristics below that describe ATP.
Check all that apply.
stands for “adenosine triphosphate”
is an energy molecule
contains two phosphates
contains energy in phosphate bonds
will give brainliest
Answer:
a d and b I believe edkjfjfjfjsw
Please help!!!!!!!!!!!!!!!!
Answer: It would be they force them out of the bloodstream.
Explanation:
Answer:
it eats or envolopes them
Explanation:
The white blood cell is attracted to the bacteria because proteins called antibodies have marked the bacteria for destruction. These antibodies are specific for disease-causing bacteria and viruses. When the white blood cell catches the bacteria it goes about "eating" it in a process called phagocytosis.
3. Which of the following would best support the theory of evolution?
a. Evidence that shows a change in species over time
b. Evidence that shows how biotic and abiotic factors have changed over time
c. Evidence that shows a decrease in resources but an increase in the number of organisms.
d. Evidence that shows there has been little to no change in a species over time
The theory of evolution will be best supported by the evidence showing a species changes over time. Thus, option A.
Basic evidences for proving the theory of evolution are anatomy, Biological morphology, Fossils and direct observations. There have been various theories for the proof of evolution like structural similarities in an embryo formation pointed towards common ancestors. Theory of Natural selection embarked by Charles Darwin to show genetic variations picked by organisms in whole population.
The most authentic theory over evidence for evolution is Paleontological theory which includes study, observation and acquired prove of fossils of various organisms in the forms of Petrified, mold and cast, trace fossils, compression fossils, impression fossils, etc.
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Help me please :)
Answer choices:
1-Valine and aspartic acid
2-Serine and glutamic acid
3-Isoleucine and histidine
4-Methionine and glutamine
Answer: 4-Methionine and glutamine.
Explanation:
#3 What percentage of mammals extinction is caused by habitat loss?
O 75%
O 83%
O 99%
O 25%
What is the half-life of Schist (the rock)?
Answer:
Explanation:
dwane the rock johnson- the future president of america
which model of dna replication is consistent with the results obtained by meselson and stahl?
The Meselson-Stahl experiment was the model of dna replication is consistent with the results obtained by meselson and stahla landmark experiment in molecular biology that demonstrated that DNA replication is semi-conservative.
The experiment involved growing E. coli bacteria for several generations in a medium containing a heavy isotope of nitrogen, 15N, so that all the DNA in the bacteria became labeled with 15N. The bacteria were then transferred to a medium containing the lighter isotope, 14N, and allowed to replicate for one or more generations. The DNA from each generation was extracted and analyzed using density gradient centrifugation.
The results showed that after one generation of replication in the 14N medium, the DNA formed a single band that was intermediate in density between the 15N-labeled DNA and the 14N unlabeled DNA. This suggested that the DNA was composed of one strand of 15N-labeled DNA and one strand of 14N-labeled DNA, which is consistent with the semi-conservative model of DNA replication.
The semi-conservative model of DNA replication proposes that during replication, the two strands of the DNA double helix are separated, and each strand serves as a template for the synthesis of a new complementary strand. The end result is two daughter DNA molecules, each consisting of one original strand and one newly synthesized strand.
The other models of DNA replication, such as conservative replication (in which the original double helix remains intact, and a new double helix is synthesized) and dispersive replication (in which the two daughter DNA molecules are a mixture of old and new DNA), are not consistent with the results obtained by Meselson and Stahl.
Therefore, the Meselson-Stahl experiment supports the semi-conservative model of DNA replication.
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what feature can increase animals odds in reproducion
Answer:
Animals engage in characteristic behaviors that increase the odds of reproduction. Animals and plants develop characteristic structures and behaviors to help them survive in their environment and pass on genetic information to their offspring. It is important that the offspring be cared for and protected so they can grow to adulthood and reproduce.
Answer these questions in one sentence. a. What life processes can a single cell carry out?
Answer:
A single cell can carry out essential life processes such as metabolism, reproduction, growth, and homeostasis.
Explanation:
Metabolism refers to the chemical reactions that occur within a cell to obtain energy and carry out various biochemical processes. This includes processes like cellular respiration and the synthesis of molecules.
Reproduction refers to the ability of a cell to reproduce and create new cells, either through processes like binary fission in bacteria or mitosis in eukaryotic cells.
Growth refers to the increase in size or mass of a cell through the uptake of nutrients and the synthesis of macromolecules.
Homeostasis refers to the ability of a cell to maintain a stable internal environment by regulating parameters such as temperature, pH levels, and ion concentrations. This ensures that the cell functions optimally and can carry out its necessary processes.
The lateral kidney position allows approach to the retroperitoneal area of the flank. to render the kidney region readily accessible, the ______ is raised, and the bed flexed so that the area between the twelfth rib and the iliac crest is elevated. compression of the _______ can occur when the flank is raised too high.
Filling in the blanks
The lateral kidney position allows approach to the retroperitoneal area of the flank. to render the kidney region readily accessible, the kidney bridge is raised, and the bed flexed so that the area between the twelfth rib and the iliac crest is elevated. compression of the vena cava can occur when the flank is raised too high.
Kidney bridge vs Vena CavaThe kidney bridge is used during gallbladder and kidney operations to enable the proper positioning of the patient on he operating table usually Obese patients, it renders the kidney region readily accessible. While Vena cava transports blood through the major organs in the body and it's compression can occur when the flank is raised too high.
Hence we can conclude that The kidney bridge is used during gallbladder and kidney operations to enable the proper positioning of the patient on he operating table usually Obese patients, it renders the kidney region readily accessible. While Vena cava transports blood through the major organs in the body and it's compression can occur when the flank is raised too high.
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The lateral kidney position allows the approach to the retroperitoneal area of the flank to render the kidney region readily accessible, the kidney bridge is raised, and the bed flexed so that the area between the twelfth rib and the iliac crest is elevated. Compression of the vena cava can occur when the flank is raised too high.
What are the functions of kidneys?The kidney performs numerous functions in the body of an organism. Some of them are as follows:
Regulation of extracellular fluid volume.Removal of waste products.Control of blood pressure.Compensation for minerals and chemicals. Production of red blood cells.The kidney bridge is utilized when a patient undergoes any kidney operations. While vena cava plays an important role in the transportation of blood to the significant organs of the body.
Therefore, it is well described above.
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Will and Juan decided to make a snack after school: peanut butter and jelly sandwiches and a glass of cold milk. They assembled the following ingredients:
bread
whole milk
grape jelly
peanut butter
Which food likely has the FEWEST calories per gram of serving and defend why?
Answer: Grape Jelly
Explanation: Because it contains primarily simple sugars
A geneticist wants to determine what mutation in a DNA molecule changed the structure of a specific protein. What would the scientist need to know before planning the investigation?
The normal sequence of bases that code for the protein
Whether the mutation was a substitution, insertion, or deletion
The total number of bases in the DNA molecule
How many thymine bases are in the DNA molecule
A mutation is any change in the sequence of DNA because of any reason such as deletion, insertion, etc. To determine the mutation in a DNA molecule changed the structure of a specific protein scientists should know the normal sequence of bases that code for the protein.
What is mutation?A mutation is a random change in the DNA sequence either due to insertion, deletion, or substitution.
By mutating a gene's code for making a protein, a variant can leads to a protein's improper functioning or to not being produced at all.
Scientists must mandatorily determine the normal base sequence of the protein code before investigating the mutation in the DNA sequence for a particular protein.
Thus, the correct option is A.
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Polyunsaturated fatty acids are believed to reduce the risk for cardiovascular disease. The principal dietary polyunsaturated fat is linoleic acid. To test the effects of dietary supplements of linoleic acid on blood pressure, we put 10 adults on a diet that contained 23g/day of safflower oil (high in linoleic acid) for 4 weeks. Blood-pressure measurements were taken at baseline (before ingestion of oil) and 1 month later (see data below). We do not know whether systolic blood pressure is normally distributed. We want to determine whether linoleic acid favorably affects systolic blood pressure. Conduct the appropriate two-sided test at a=0.05 to determine whether linoleic acid supplementation affects systolic blood pressure
**Linoleic acid supplementation** may affect systolic blood pressure, but further analysis is required. Conduct a **two-sided test** at α=0.05 to determine its effect.
To determine whether linoleic acid affects systolic blood pressure, perform a paired t-test using the blood pressure measurements before and after the supplementation. Since we don't know if systolic blood pressure is normally distributed, a non-parametric alternative such as the Wilcoxon signed-rank test can be used. Here's a step-by-step guide:
1. Calculate the differences between baseline and post-supplementation blood pressures for each participant.
2. Rank the absolute differences, excluding zeros (no change in blood pressure).
3. Sum the ranks of positive and negative differences separately.
4. Determine the test statistic, which is the smaller sum of ranks.
5. Compare the test statistic to the critical value (or calculate the p-value) for a two-sided test at α=0.05.
6. If the test statistic is less than the critical value or the p-value is less than 0.05, reject the null hypothesis and conclude that linoleic acid supplementation affects systolic blood pressure. Otherwise, fail to reject the null hypothesis and conclude that there is not enough evidence to suggest an effect.
By following these steps, you can determine if linoleic acid supplementation has a significant effect on systolic blood pressure in this study.
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