Because coupled transcription/translation requires that the two processes occur in the same subcellular space, it is likely that this coupling is found _____. Multiple choice question. only in the Eukarya domain in both the Bacteria and Archaea domains only in the Bacteria domain in both the Archaea and Eukarya domains only in the Archaea domain
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What is required for PKC activation? Choose one: A. binding to Gq and DAG B. binding to Gq C. binding to DAG D. continuing presence of Ca2+ E. binding to DAG and continuing presence of Ca2+
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The right answer, based on the facts provided, is E binding to DAG and continued Ca2+ present.
How does PKC get started?1,2-diacylglycerol, which is generated by the receptor-mediated hydrolysis of inositol phospholipids, activates protein kinase C (PKC) (1). The regulatory and catalytic domains are located in the amino- as well as carboxyl-terminal portions, respectively, of PKC's wide family of many isoforms.
How is PKC turned off?These second messengers, diacylglycerol as well as Ca2+, attach to PKC's regulatory modules, the C1 and C2 domains, respectively, activating PKC. PKC is activated by raising the intracellular concentrations both Ca2+ and diacylglycerol; inactivated by lowering these ligands to baseline levels.
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Scientists use the scientific process to which mechanisms underlie observations; they do not if a particular finding is correct or not. a broad statement called a can be used to solidify reasoning before setting up an experiment, and then the scientific process is followed to test one's idea. to illustrate, consider this scenario: suppose you are a researcher investigating the impact of eating eggs on cholesterol levels. your states "consuming an egg everyday increases blood cholesterol". you use a carefully designed experiment to determine if your statement is or not. in this experiment, number of eggs is the , while cholesterol level in the blood is the . you recruit 100 subjects and divide them into two groups: the corresponds to subjects who will eat an egg everyday, and the comprises individuals who will not consume eggs. in order to avoid confounding results, both groups need to have like same gender, similar age, consistent baseline cholesterol measurements, equivalent food consumption, identical exercise routine, etc. in a well-designed experiment, there should only be one variable, but many variables. after a six-month trial, your data show both groups have similar blood cholesterol measurements. your conclusions include that eating one egg everyday for one year does not raise blood cholesterol; your hypothesis was .
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The hypothesis was that eating one egg everyday for one year may or may not raise blood cholesterol levels.
What is a hypothesis?A hypothesis is an explanation given prior to testing of an observation.
A hypothesis aims to give a reasonable explanation for a given observation.
The experiment given was designed to test if eating one egg everyday for one year will raise blood cholesterol.
Therefore, the hypothesis was that eating one egg everyday for one year may or may not raise blood cholesterol levels.
In conclusion, a hypothesis is like a guess without testing.
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a point mutation that changes a uac codon into a uag codon is a: missense mutation. nonsense mutation. silent mutation. frameshift mutation.
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Answer: silent mutation
Explanation:
what factors are responsible for increasing the size of a population?
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Answer:
Economic development
Explanation:
1. Natural increase: This refers to the difference between the number of births and the number of deaths in a population. If the number of births is greater than the number of deaths, the population will grow.
2. Immigration: If people move into a population from other areas, it can contribute to population growth.
3. High fertility rates: A high fertility rate, or the average number of children a woman has during her reproductive years, can also contribute to population growth.
4. Increased life expectancy: If people are living longer due to advances in medicine and public health, the population will grow.
5. Changes in social norms: Changes in social norms, such as the acceptance of smaller families, can also impact population growth.
It's worth noting that population growth is not always a positive thing, as it can put strain on resources and the environment. Some countries have implemented policies to encourage smaller families and slow population growth.
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Which recent discovery led to a new understanding of how genetic mutations increase the risk of cancer? double helix structure of DNA BRCA1 and BRCA2 genes nucleic acid monomers formation of tumor suppressor proteins
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Answer:
BRCA1 and BRCA2 genes
Explanation:
The BRCA1 and BRCA2 genes are tumor suppressor genes that encode breast cancer susceptibility proteins involved in repairing double-strand DNA breaks (DSBs) by the mechanism of homologous recombination. This mechanism uses the sister chromatid of the homologous chromosome as template for repairing DSBs. It has been shown that mutations in BRCA1 and BRCA2 genes alter the molecular mechanism of homologous recombination DNA repair, thereby mutations are not repaired appropriately and persist in the DNA of tumor cells.
(B.) BRCA1 and BRCA2 genes
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Current state of the world's forestry industries
Where does most of the world's lumber supply come from? (2 major regions)
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The global forestry industry is facing various challenges, including deforestation, climate change, and increased demand for wood products. However, efforts are being made to promote sustainable practices, such as forest management and reforestation initiatives.
Technological advancements and an increased focus on environmental conservation have led to improved efficiency in the industry, as well as more environmentally friendly practices.
Most of the world's lumber supply comes from two major regions: North America and Europe. North America, particularly the United States and Canada, has a large forestry industry with abundant forests and a strong infrastructure for timber production. Canada is one of the world's leading producers of softwood lumber, while the United States produces both softwood and hardwood lumber.
Europe also contributes significantly to the global lumber supply, with countries like Russia, Sweden, and Finland being major players in the industry. Russia has vast forests, and its timber industry is a crucial part of its economy. Sweden and Finland, with their advanced forest management systems, produce high-quality softwood and hardwood lumber.
In conclusion, the current state of the world's forestry industries is shaped by various challenges and opportunities, with a growing focus on sustainability and technological advancements. North America and Europe are the two major regions supplying the world with lumber, each contributing significantly to the global production of wood products.
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Which of the following are classified as
restricted use lands?
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Lands with restricted access, such as parkways, memorials, battlefields, monuments, and national recreation zones.
What are the most restricted use lands?The National Park Service and the National Wilderness Preservation System are two organizations that administer restricted-use properties. 54 large parks make up the National Park System. It also includes 324 additional locations, such as national parks, monuments, memorials, battlefields, parks, and beaches.Invasive plants may develop more quickly as a result of specific agricultural land use practices such overgrazing, land conversion, fertilization, and the use of agricultural chemicals. These plants provide health dangers to people, livestock, and wildlife, change the habitats of fish and other creatures, and help to reduce biodiversity.The highest level of protection that federal public lands can get is "wilderness." A landscape's wild nature is preserved and its undeveloped status is guaranteed by this designation. Only a congressional act may create wilderness regions, just as national parks.To Learn more About Lands with restricted access, Refer To:
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Predation and parasitism are the same thing. *
True
False
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Explanation:
I think it fulse
I am positive, good luck man.
Below is the base sequence on one side of a DNA molecule. What would the complimentary side of this strand of DNA read? ATC TCA GAT CGT CAG
UAG AGA GUA CGA GUC
AUC UCA GAU CGU CAG
ATC TCA GAT CGT CAG
TAG AGT CTA GCA GTC
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The complimentary side of this strand of DNA would read: TAG AGT CTA GCA GTC.
What is complementary strand?The complementary strand is a term used to describe the second strand of DNA in a double-stranded DNA molecule. The two strands of DNA run in opposite directions and are held together by hydrogen bonds between complementary base pairs, which are adenine (A) and thymine (T), and cytosine (C) and guanine (G).
The complementary nature of the two DNA strands allows for accurate duplication of genetic information when the cell divides. In addition, the complementary strand can serve as a template for the production of messenger RNA (mRNA), which is used to direct the synthesis of proteins. The complementary strand is therefore an essential component of DNA structure and function.
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which of the following oxidative phosphorylation inhibitors was marketed in pill form in the 1930s as a fat burner and potent diet aid? it was soon realized that this molecule accumulates in cell membranes and is poisonous because individuals who ingest it have a difficult time maintaining energy homeostasis, resulting in liver damage, renal failure, extreme hyperthermia, and even death.
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The toxicity of DNP is due to its ability to disrupt energy homeostasis in cells, highlighting the importance of maintaining proper regulation of cellular metabolism.
The oxidative phosphorylation inhibitor that was marketed in pill form in the 1930s as a fat burner and potent diet aid is called 2,4-dinitrophenol (DNP). DNP works by uncoupling the electron transport chain from ATP synthesis, causing the energy released from the electron transport chain to be released as heat instead of being used to produce ATP. This results in an increase in metabolic rate and subsequent weight loss. However, DNP also accumulates in cell membranes, disrupting normal cellular function and causing toxic side effects. Ingestion of DNP can result in liver damage, renal failure, extreme hyperthermia, and even death. The toxicity of DNP is due to its ability to disrupt energy homeostasis in cells, highlighting the importance of maintaining proper regulation of cellular metabolism.
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the cis to trans conversion of retinal when photopigments respond to light is called:
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The cis to trans conversion of retinal when photopigments respond to light is called isomerization.
What is isomerization?Isomerization is a chemical process that converts one isomer into another without altering the overall atomic composition. Isomerization may be a physical process such as changing the position of a molecule within a crystal lattice or a chemical process in which the chemical structure of a molecule is rearranged. It is generally referred to as a chemical reaction involving a structural modification that occurs spontaneously or catalytically.
Isomerization is a natural process that occurs in a variety of biological systems, including retinal when photopigments react to light. When retinal absorbs light, the retinal molecule undergoes a cis-to-trans isomerization. The conformation of the molecule alters from a bent, unstable conformation to a straight, more rigid one, resulting in the activation of an ion channel in the cell membrane. This, in turn, results in the generation of a visual signal that is sent to the brain, and the sensation of light is perceived.
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3. Carbonation - Warmer temperatures result in more rain. Rain and carbon dioxide combine with limestone
to make calcium bicarbonate. Thus removing carbon dioxide from the atmosphere and resulting in lower
temperatures. (focus temperature)
Earth's system(s) involved
4. Global warming affects the cloud distribution, resulting in higher altitude clouds. Clouds at higher
altitudes result in more infrared radiation reflected back at the Earth's surface than immediately reflected back into
space. (focus temperature)
Earth's system(s) involved
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Answer:
Warmer ocean water is involved in the cycle letter d, for the greenhouse gas and the atmospheric carbon dioxide will be able to cause a rise in the ocean temperature, causing a high increase in terms of evaporation. Thus, the vapored water will contribute to the increase of global warming.
Explanation:
hope im right
The diagram represents the Moon and its orbit around Earth. The arrow labeled X represents the force that keeps the Moon in its orbit. Which force is represented by X?
Answers
Answer:
A. Gravity
Explanation:
The strong gravity, or "Pull" of the Earth is what keeps the moon in orbit.
I hope this helps!
Gravity is the force represented by X that keeps the Moon in its orbit. Therefore, option (A) is correct.
What is gravity?Gravity is a force that attracts two objects with mass towards each other. It is the force that gives weight to physical objects and is responsible for the friction between objects and the surface of the Earth.
The strength of the gravitational force between two objects depends on their mass and the distance between them. The greater the mass of the objects, the stronger the gravitational force between them. The farther apart the objects are, the weaker the gravitational force between them.
The most familiar example of gravity is the force that attracts objects towards the surface of the Earth. The Earth has a large mass, so it has a strong gravitational pull. This is why objects on the surface of the Earth are "weighted" and feel heavy.
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brief activation of the sympathetic nervous system can enhance activity of the immune system.
a. true b. false
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True. It is true that a brief activation of the sympathetic nervous system can enhance the activity of the immune system.
The sympathetic nervous system is responsible for the body's "fight or flight" response, which is activated during stress or perceived threats. When the sympathetic nervous system is activated, it releases stress hormones such as adrenaline and noradrenaline.
These stress hormones can have various effects on the immune system. They can enhance the production and release of immune cells, such as lymphocytes and natural killer cells, which play a crucial role in fighting infections and cancer. The stress hormones can also increase the production of pro-inflammatory cytokines, which are signaling molecules that help regulate immune responses.
However, it's important to note that prolonged or chronic activation of the sympathetic nervous system, such as in chronic stress, can have negative effects on the immune system and overall health. It can lead to immune system dysregulation and increased susceptibility to diseases. Therefore, while a brief activation of the sympathetic nervous system can have beneficial effects on the immune system, prolonged activation should be avoided to maintain a balanced immune response.
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Responses of cells to the same signal in a signaling pathway can vary according to the cell type. Propose a biological explanation to support this claim.
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The response of cells to the same signal in a signaling pathway can vary due to differences in the expression and activation of signaling proteins and receptors, as well as differences in downstream signaling pathways and effector molecules present in different cell types
. For example, a signal molecule such as a growth factor may bind to a specific receptor on the surface of a cell and activate a signaling pathway that leads to cell proliferation in one cell type, but the same signal may activate a signaling pathway leading to cell differentiation in another cell type.
Differences in the expression of signaling proteins and receptors, as well as variations in the downstream signaling pathways and effector molecules, contribute to the specificity and diversity of cellular responses to signals.
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suppose two parents, a father with the genotype aabbccddee and a mother with the genotype aabbccddee, want to have children. assume each locus follows mendelian inheritance patterns for dominance.
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When considering the genotype of the parents aabbccddee and aabbccddee, it can be concluded that all their offspring would be of the same genotype aabbccddee.
Same genotype is because the parents are homozygous, meaning they carry two copies of the recessive allele at each locus that has two alternative alleles.Based on the information given, all of the children will inherit two recessive alleles at each locus because the parents have only recessive alleles.
Mendelian inheritance states that traits are inherited from parents in a predictable manner.
The father's aabbccddee genotype means that he is homozygous recessive for every locus. The mother's aabbccddee genotype also means that she is homozygous recessive for every locus.The Punnett square, on the other hand, is used to determine the potential genotypes of the children.When two parents are homozygous for the recessive allele, their offspring is also homozygous for the recessive allele. In this case, it means that all of their children will inherit two copies of the recessive allele at each locus.
Therefore, all of their children will have aabbccddee genotype.
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What are two significant ways your skeletal system and your circulatory system support one another
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Answer:The bone marrow within your bones form new red and white blood cells and removes dirty blood cells. After making these new blood cells, it sends them to the circulatory system
Explanation:
Some functions of the skeletal system are more readily observable than others. When you move you can feel how your bones support you, facilitate your movement, and protect the soft organs of your body. Just as the steel beams of a building provide a scaffold to support its weight, the bones and cartilages of your skeletal system compose the scaffold that supports the rest of your body. Without the skeletal system, you would be a limp mass of organs, muscle, and skin. Bones facilitate movement by serving as points of attachment for your muscles. Bones also protect internal organs from injury by covering or surrounding them.
Tetanus is a condition caused by bacteria. The bacteria live in the soil and become
active in a human host causing painful, uncontrolled muscle spasms. What most
likely allows the bacteria to survive in the soil?
A the bacteria use cilla to digest small protists.
B the bacteria release water and nutrients into the soil.
C the bacteria use flagella to burrow deep into the soil to escape extreme heat.
D the bacteria create endospores making the bacteria resistant to environmental conditions.
Answers
Answer: The answer is D: the bacteria create endospores making the bacteria resistant to environmental conditions.
Explanation:
The most likely reason that the bacteria that cause tetanus are able to survive in the soil is because they create endospores, which makes them resistant to environmental conditions. Endospores are a type of hardy, dormant form of the bacteria that can survive extreme conditions, such as heat, cold, and desiccation. By creating endospores, the bacteria are able to survive in the soil and remain inactive until they encounter a suitable host.
what type of carbohydrate is starch
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Answer:
A starch is classified as complex carbohydrate.
Explanation:
Identify and define the root in the term schizophrenia. phren-brain phren-mind schizo-multiple schizo-divide
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In the term "schizophrenia," the root is "schizo-."
The root "schizo-" is derived from the Greek word "schizein," which means "to split" or "to divide." In the context of schizophrenia, the term refers to the splitting or fragmentation of mental functions, resulting in disturbances in thinking, perception, emotions, and behavior.
Together, the term "schizophrenia" represents the idea of a mental disorder characterized by the fragmentation or splitting of mental functions. It highlights the fundamental disturbances in cognition, perception, and emotions that individuals with schizophrenia may exhibit. It is important to note that the term does not refer to the presence of multiple personalities or identities, as is sometimes mistakenly believed. Instead, it describes the complex nature of the disorder and its impact on various aspects of an individual's mental functioning.
It's important to note that "schizo-" does not specifically refer to "multiple" in the sense of multiple personalities or identities. Rather, it emphasizes the disruption or disconnection in various aspects of mental functioning that are characteristic of schizophrenia.
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hii please help i will give brainliest to whoever is correct! :)
Answers
Answer:
Answer down below!
Explanation:
Answers ranging from top to bottom:
GlucoseCarbon DioxideWaterOxygenOsmoregulatory organs can be used to simultaneously remove which of the following? Gases such as CO2 Excess salts Excess water Metabolic waste
Answers
Osmoregulatory organs can be used to simultaneously remove Excess salts, Excess water and Metabolic waste.
What is Osmoregulation?
The regulation of salt and water concentrations to maintain constant osmotic pressure in an organism's fluids is known as Osmoregulation.
What is Metabolic waste?The compounds left over from metabolic processes that the organism cannot use and must be ejected are known as metabolic wastes or excrements. This includes things like CO2, phosphates, sulphates, water, and nitrogen-based chemicals. These substances are seen as excretions by animals.
Hence, Osmoregulatory organs can be used to simultaneously remove Excess salts, Excess water and Metabolic waste.
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Describe the function of the stomata in a plant. Question 5 options:
Produces sugar
Lets gasses and water vapor pass in and out of a plant
Captures sunlight
Produces energy
Answers
Answer:
It would be B. lets gasses and water vapor pass in and out of a plant.
Explanation:
Stomata are typically found in plant leaves but can also be found in some stems.
Need help plsssssss ASAP
Answers
Answer:
There is only one DNA sequence in this question.
1. AUG GGC ACU UAG
2. Methionine- Glycine- Threonine- Stop
Explanation:
Transcription is the process by which a mRNA is synthesized from a DNA template. The mRNA molecule is synthesized using complementary base pairing rule i.e. A-U, G-C.
Translation is the process whereby the mRNA transcript is used to synthesize amino acid sequence (protein). The mRNA sequence is read in a group of three nucleotides called CODONS. Each codon specifies an amino acid.
In this question, given the DNA sequence as follows: TAC CCG TGA ATC, the following mRNA sequence will be synthesized via transcription:
mRNA sequence: AUG GGC ACU UAG
Using this mRNA sequence as a template, each codon (three nucleotides) will specify an amino acid as follows: (N.B: the genetic code is used).
- Methionine (AUG) - Glycine (GGC)- Threonine (ACU)- Stop (UGA)
4. describe the independent and dependent variables in the exercise/cellular respiration experiment.
Answers
In the exercise/cellular respiration experiment, the independent variable is the intensity or duration of exercise, while the dependent variable is the rate of cellular respiration. The independent variable (exercise), you can observe changes in the dependent variable (cellular respiration).
The exercise/cellular respiration experiment examines how varying exercise intensity or duration impacts the rate of cellular respiration. The independent variable, exercise, is manipulated to observe its effect on the dependent variable, cellular respiration. By changing the exercise conditions, you can measure any corresponding changes in the rate of cellular respiration.
In conclusion, understanding the relationship between the independent variable (exercise) and the dependent variable (cellular respiration) allows for a better understanding of how physical activity influences energy production and consumption within cells.
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Environmental factors can influence natural selection because they can increase or decrease and what can they increase or decrease in
Answers
Environmental factors can influence natural selection because they can increase or decrease and what can they increase or decrease in the amount of genetic variation in a population.
What is natural selection?Populations of living things adapt and change through a process called natural selection. A population's members are naturally varied, which means that they are all distinctive in some ways. Because of this variety, some people have characteristics that suit their surroundings more than others.
Four requirements must be met for natural selection to take place: reproduction, inheritance, variety in physical traits, and variation in the number of children produced by each person.
Reproduction:
A population must procreate to produce a new generation in order for natural selection to affect it. Over many generations, people who have the characteristics that are most compatible with their environment tend to breed more than people who don't.
Heredity:
Since the genes of the parents combine to form the DNA of their offspring, heredity and reproduction go hand in hand. Natural selection must operate if parents with favourable qualities pass those traits on to their kids.
Variation in Characteristics:
Only when individuals within a community differ in their personal features can natural selection take place. For instance, different people must have varied colors in order to research natural selection on color within a population. There wouldn't be any traits for nature to "select" over others in the absence of variety in traits.
Fitness Variation:
Compared to its popular notion, fitness has a more technical meaning. Fitness in the context of evolution refers to an organism's capacity for maximum survival and reproduction. Natural selection cannot take place in a population unless its individuals have varying levels of fitness. Some people must have characteristics that make it easier for them to survive and procreate more frequently than others. Otherwise, natural selection cannot act to increase the number of people with advantageous features and decrease the number of people with undesirable qualities.
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brush up on what you learned about eukaryotes this week! one could easily use the evolutionary tree labeled below to make a dichotomy key to separate the three main eukaryotic kingdoms of plantae, fungi, and animalia. however, the protista kingdom is a more difficult group to add to a simple key as there are many exceptions (see the right side of the tree).
Answers
A: presence of cell walls B: Ability to obtain nutrients through absorption C: presence of chitin in cell walls D: ability to move
Character A, which separates plants from fungi and animals, is the presence of cell walls. Plants have cell walls composed of cellulose, while fungi and animals do not have cell walls. Character B, Fungi and animals are heterotrophs that obtain nutrients by absorbing organic material from their environment, while plants are autotrophs that can perform photosynthesis.
Character C, that fungi have, but animals don't, is the presence of chitin in their cell walls. Fungi have cell walls made of chitin, while animals do not possess cell walls. Character D, that animals have, but fungi don't, is the ability to move. Animals are generally capable of locomotion, while fungi are non-motile organisms that rely on other means, such as growth and spore dispersal.
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The question is inappropriate; the correct question is:
Eukaryotes Brush up on what you learned about eukaryotes this week! One could easily use the evolutionary tree labeled below to make a dichotomous key to separate the three main eukaryotic kingdoms of Plantae, Fungi, and Animalia. However, the Protista kingdom is a more difficult group to add to a simple key as there are many exceptions (see the right side of the tree). Using the tree above, answer each question below with the correct matching answer. Use each answer only once. 1. What is character A, which separates plants from fungi and animals? 2. What is character B, that both fungi and animals share, but plants don't have? 3. What is Character C, that fungi have, but animals don't? 4. What is character D, that animals have, but fungi don't?
Eukaryotes:
AnimaliaFungiPlantaeProtistawhat is a lens?
a.) a special, clear object that reflects light
b.) a plastic or glass object that bends light
c.) an opaque piece of plastic that allows some colors to be absorbed
first person will be brainliest!!
Answers
Answer:
A or B
Explanation:
To be honest both are accurate.
Answer:
b.) a plastic or glass object that bends light
Explanation:
Lenses serve to refract light at each boundary. As a ray of light enters a lens, it is refracted; and as the same ray of light exits the lens, it is refracted again.
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Match the hormones with their roles in breastfeeding: Mammary gland growth
Milk production and storage
Milk let-down
Mammary gland shrinkage
=Prolactin
= Oxytocin
= Estrogens
= Progesterone
Answers
Mammary gland growth - estrogen
Milk production and storage - prolactin
Milk letdown - oxytocin
Mammary gland shrinkage - progesterone
When a baby suckles, it stimulates tiny nerves. This releases two of her hormones, prolactin, and oxytocin, into the bloodstream. Prolactin promotes milk production, and oxytocin promotes milk production. Breast milk is then released or expelled from the nipple. Estrogen is essential for MG growth, both in pubertal ductal dilatation and in alveolar development during pregnancy. Breast tissue prepared for milk production shrinks and loses its shape. Because of progesterone.
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the leaf of poison ivy has three leaflets attached to the end of the petiole. this leaf is a. simple b. palmately simple c. pinnately compound d. palmately compound e. practically compound
Answers
Hi! The leaf of poison ivy has three leaflets attached to the end of the petiole. This leaf is considered to be d. palmately compound.
The leaf of poison ivy, which has three leaflets attached to the end of the petiole, is an example of a palmately compound leaf. In a palmately compound leaf, the leaflets radiate from a common point at the end of the petiole, resembling the palm of a hand. Each leaflet is attached to the petiole at its own individual point. Other examples of plants with palmately compound leaves include horse chestnut and buckeye trees.
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