when you wake up in the middle of the night to a growling sound outside of your tent, your adrenal medulla secretes epinephrine into your bloodstream. how do your liver cells respond to epinephrine
Answers
Upon detecting epinephrine, the liver cells, also known as hepatocytes, respond by rapidly breaking down glycogen, a stored form of glucose, through a process called glycogenolysis.
This process releases glucose into your bloodstream, supplying your body with a quick source of energy. This increase in blood glucose levels is essential for providing your muscles and brain with the energy needed to react promptly to the potential danger.
Furthermore, epinephrine also stimulates other metabolic processes that help your body cope with stress. These include increased heart rate, blood flow redirection to essential organs, and heightened alertness. Overall, the response of your liver cells to epinephrine plays a critical role in your body's ability to quickly adapt to threatening situations.
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Related Questions
This due at 11:59 tonight help please
Answers
Answer:
i think it's LL (i haven't done this since middle school sooooo srry if i'm wrong)
_____ is the percentage of energy used to perform work.
Answers
Answer:
Energy efficiency is the percentage of energy used to perform work
Osmolality is the ratio of solutes in a solution to a volume of solvent in a solution. Plasma osmolality would be the ratio of solutes to water in blood plasma. A person's plasma osmolality value is related to the hydration of that person. A healthy person maintains plasma osmolality within a narrow range through the use of several mechanisms that regulate both water intake and output. Closely related to plasma osmolality are the kidneys as well as the hypothalamus and antidiuretic hormone (ADH).
When the osmoreceptors in the hypothalamus detect an increase in the concentration of blood plasma, the hypothalamus signals the release of ADH from the posterior pituitary into the blood. One would expect this hormonal action to have what effect on urine and the excretory system? ALL BUT one answer would apply.
A) The kidneys remove less water from the blood.
B) ADH triggers the thirst mechanism in the hypothalamus.
C) The person produces a smaller volume of more concentrated urine.
D) ADH signals the kidneys to recover water from urine, effectively diluting the blood plasma.
Answers
The hormonal action of ADH on the excretory system would have the effect of producing a smaller volume of more concentrated urine.
When the osmoreceptors in the hypothalamus detect an increase in the concentration of blood plasma, the hypothalamus signals the release of ADH from the posterior pituitary into the blood. ADH then acts on the kidneys, signaling them to recover water from urine, effectively diluting the blood plasma. This results in the production of a smaller volume of more concentrated urine, which helps to maintain the plasma osmolality within a narrow range.
Option A is incorrect because the release of ADH signals the kidneys to recover water from urine, which means that the kidneys remove less water from the blood.
Option B is incorrect because while ADH does trigger the thirst mechanism in the hypothalamus, this is not directly related to its effect on urine and the excretory system.
Option D is incorrect because ADH signals the kidneys to recover water from urine, effectively diluting the blood plasma, rather than concentrating it.
Therefore, the correct answer is option C - the person produces a smaller volume of more concentrated urine.
Plasma osmolality is an important indicator of a person's hydration status. A healthy person maintains plasma osmolality within a narrow range through the use of several mechanisms that regulate both water intake and output. One of the key mechanisms involved in this process is the release of antidiuretic hormone (ADH) from the hypothalamus in response to changes in plasma osmolality.
When the osmoreceptors in the hypothalamus detect an increase in the concentration of blood plasma, the hypothalamus signals the release of ADH from the posterior pituitary into the blood. ADH then acts on the kidneys, signaling them to recover water from urine, effectively diluting the blood plasma. This results in the production of a smaller volume of more concentrated urine, which helps to maintain the plasma osmolality within a narrow range.
The release of ADH is regulated by a negative feedback mechanism, meaning that as plasma osmolality returns to normal, the release of ADH decreases. This helps to prevent overhydration and maintain a healthy plasma osmolality.
In addition to ADH, the kidneys also play an important role in regulating plasma osmolality. The kidneys can adjust the amount of water excreted in urine based on the body's hydration needs. When the body is dehydrated, the kidneys excrete less water and produce more concentrated urine. Conversely, when the body is well-hydrated, the kidneys excrete more water and produce more dilute urine.
Overall, the regulation of plasma osmolality is a complex process that involves several mechanisms working together to maintain a healthy hydration status. The release of ADH and the actions of the kidneys are two key components of this process, and understanding their roles can help us better understand the body's response to changes in hydration.
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HELLPPP!!!
Which fuel is MOST likely to
release sulfur oxides when
burned?
A. solar energy
B. biomass
C. coal
D. petroleum
Answers
Answer:
C) Coal
Explanation:
Which of the following is a function of Producers?
A. All of these
B. Convert sunlight into chemical energy
C. Prevent soil erosion
D. Convert nitrates into usable proteins
Answers
The function of producers include all of the above and is therefore denoted as option A.
What is a Producer?This is referred to as an autotrophic organism which are able to produce food for the other organisms in the food chain.
A typical example is plants which produce food through photosynthesis via sunlight and perform other functions such as preventing soil erosion and converting nitrates into usable proteins.
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when an ecosystem is disturbed by fire or toxic chemicals, what affects it will be?
Answers
When an ecosystem is disturbed by fire or toxic chemicals, the effects will be a disturbance that may affect the trophic chain by altering the balance of producer organisms.
What are the major effects of ecological disturbance?The major effects of ecological disturbance include the reduction of natural populations such as plants which represent the primary producers in terrestrial ecosystems, and it may lead to a unbalance in the whole ecosystem's homeostasis.
Therefore, with this data, we can see that the major effects of ecological disturbance include the dramatic reduction in producer organisms.
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what areas in the Philippines are often affected by typhoons? How has this affected the lines of the people in these areas?
Answers
Answer:
The Philippines is located in the Pacific Ring of Fire and the Typhoon Belt, making it one of the most typhoon-prone countries in the world. The following areas in the Philippines are often affected by typhoons:
Bicol Region - This region is located on the eastern side of the country, facing the Pacific Ocean. It is known for its beautiful beaches and scenic spots, but it is also highly vulnerable to typhoons due to its geographical location.
Eastern Visayas - This region is composed of several islands, including Samar and Leyte. It is also located on the eastern side of the country and faces the Pacific Ocean, making it highly susceptible to typhoons.
Northern Mindanao and Caraga - These regions are located on the southern part of the country, facing the Pacific Ocean. They are often affected by typhoons that enter the Philippine Area of Responsibility from the eastern side of the country.
Central Luzon - This region is located on the northern part of the Philippines, and it is often hit by typhoons that enter the country through the northern part of Luzon.
The frequent occurrence of typhoons in these areas has significantly affected the lives of the people living there. Typhoons can cause widespread damage to homes, infrastructure, and crops, leading to loss of livelihood and displacement of communities. The people in these areas have to deal with the aftermath of typhoons, including flooding, landslides, and power outages. The government and non-government organizations have implemented various measures to mitigate the impact of typhoons, such as pre-positioning of relief goods, construction of disaster-resilient infrastructure, and early warning systems. Despite these efforts, the impact of typhoons on the lives of the people in these areas remains significant.
how do cells regulate gene expression using alternative rna splicing? alternative rna splicing determines which genes are transcribed to mrna. alternative rna splicing determines which genes are underexpressed. alternative rna splicing determines which proteins are produced from each gene. alternative rna splicing determines how fast certain proteins are degraded.
Answers
Cells regulate gene expression using a process in which Alternative RNA splicing determines which proteins are produced from each gene. Therefore, the correct answer is the third option
Gene expression is the process by which DNA sequences are transcribed into RNA, which is then translated into proteins. Gene expression is a complex process that is tightly regulated in cells. It is critical for cellular function and enables cells to respond to different environmental conditions and developmental cues.
As stated earlier, alternative RNA splicing is a process that alters the primary transcript of RNA by changing the exon-intron structure. In this process, non-coding regions of mRNA, known as introns, are removed, and the remaining coding regions, known as exons, are spliced together to create mature mRNA molecules that can be translated into protein. Exons are not spliced into the final mRNA molecule in a random manner; instead, they are spliced together in various ways to create multiple mRNA isoforms. These isoforms are used to produce different protein isoforms with distinct functions and properties. Thus, alternative splicing plays a crucial role in the diversification of gene expression in higher organisms.
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Which of the Hardy-Weinberg conditions are usually valid for most populations?
Answers
The Hardy-Weinberg equilibrium consists of five conditions that must be met in order for the frequency of alleles in a population to remain constant from generation to generation.
What are the Hardy-Weinberg conditions ?These conditions are:
Large population size: The population must be large enough to prevent the effects of genetic drift.No mutations: There must be no mutations that alter the frequency of alleles in the population.No gene flow: There must be no migration into or out of the population, which would bring in new alleles.No selection: There must be no natural selection favoring or eliminating certain alleles.Random mating: There must be random mating, meaning that individuals mate with each other based on chance rather than preference.Of these conditions, it is generally difficult to meet all of them in real populations, as most populations are subject to some form of genetic drift, mutation, gene flow, selection, or non-random mating. Therefore, it can be argued that none of the Hardy-Weinberg conditions are usually valid for most populations.
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what hair addition method involves applying heat to melt the addition to natural hair?
Answers
The hair addition method that involves applying heat to melt the addition to natural hair is known as the fusion method. This method is popularly used by hair extension specialists and salons to add length, volume, and thickness to natural hair.
The fusion method is also known as the keratin bonding method because it involves melting a keratin-based glue or adhesive to fuse the hair extension to the natural hair. The fusion method is a time-consuming process that requires patience and skill. It involves taking small sections of natural hair and attaching them to small sections of the hair extension using a heated fusion tool. The fusion tool heats up the keratin glue, causing it to melt and bond the natural hair to the hair extension. The fusion method can last up to six months with proper care and maintenance. It is important to note that excessive heat can damage the natural hair and cause breakage, so it is important to have a skilled hair extension specialist perform the fusion method.
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Fill in the blank with the correct sphere label.
A
В:
C
Answers
Answer:
it is a = exosphere b = biosphere and c = hydrosphere
Explanation:
the exosphere takes part in rocks and soil etc. the biosphere takes part of animals and plants etc. and the hydrosphere takes part of any water like lakes, oceans, ponds etc.
i hope i helped!
A person with DMD gets gene therapy via injections to their arms and legs to help their muscle cells create a truncated form of the protein dystrophin. Do we think these gene modifications made by CRISPR -Cas systems can be passed down to future generations? Why or why not?
Answers
Duchenne muscular dystrophy come up short on dystrophin protein, which is a fundamental protein for muscle strength and advancement. This quality treatment item prompts creation of an abbreviated type of the dystrophin.
Quality treatment for Duchenne muscular dystrophy utilizes chosen segments of the dystrophin quality to make a more modest, possibly practical variant.
Common symptoms of Duchenne muscular dystrophy include muscle weakness that gets worse over time: Atrophy, or loss of muscle bulk, that begins in your child's legs and pelvis, is progressive muscle weakness. Their arms, neck, and other parts of their body experience it less frequently.
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How does increased heat energy affect the water cycle? Helpppp
Answers
Answer:
Heat causes liquid and frozen water to evaporate into water vapor gas, which rises high in the sky to form clouds... clouds that move over the globe and drop rain and snow. This process is a large part of the water cycle.
why most vaccines have to be given by injection?
Answers
Which type of environment would tend to reduce genetic variation in a population because of evolution by natural selection
Answers
Answer:
Explanation:
An environment that would reduce the genetic variation in a population by natural selection... Well, here's an example, an island that belongs to the species called Iguana and snakes. When a newborn Iguana is out of it's egg, it has to run for its life and only the fastest newborn Igunan can outrun the hungry snakes that fest on the newborn Iguana. You can look it up, I hope this helps you understand.
Answer:
an old growth forest with trees that are over 1500 years old
PLEASE IN QUICK!!! Why do patients seem to get sicker when they are using chemotherapy and radiation therapy?
Answers
Bulk flow of fluids at a capillary bed typically occur _______________________.
Answers
The bulk flow of fluids at a capillary bed typically occurs through filtration and reabsorption. The balance between filtration and reabsorption is essential for maintaining fluid homeostasis in the body, and disruptions to this balance can lead to edema (swelling) or other health problems.
What are capillaries?Capillaries are the smallest blood vessels in the body, and they exchange oxygen, nutrients, and waste products between the blood and the surrounding tissues. The walls of capillaries are thin and porous, allowing for the exchange of fluids, gases, and molecules.
When does reabsorption occur?Reabsorption occurs at the venous end of the capillary bed, where the pressure in the surrounding tissues is higher than in the capillaries. This pressure gradient causes fluid to be pulled back into the veins, along with waste products and carbon dioxide.
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What sort of problems do scientists have (with their data) when there is a significant amount of variability in the organisms being studied?
Answers
Scientists may need to account for variability in their data through careful study design, statistical analysis, or by narrowing their focus to a more homogenous group of individuals.
When studying a population of organisms, scientists often encounter natural variability in the traits or characteristics being measured. This variability may arise from genetic differences, environmental factors, or both. While some degree of variability is expected and even desirable in scientific studies, too much variability can pose significant problems for researchers.
One major issue with high variability in the organisms being studied is that it can make it difficult to detect meaningful patterns or differences between groups. For example, if a study is trying to compare the growth rates of different plant species, high variability in growth rates within each species could obscure any true differences between them. Additionally, high variability can lead to the need for larger sample sizes in order to achieve statistically significant results.
Another problem with high variability is that it can make it more difficult to draw general conclusions or make predictions about a population as a whole. This is particularly true in studies involving human populations, where genetic and environmental differences between individuals can greatly impact the outcome of a study.
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If an organism is 2n=54, how many chromosomes will be in each if it's gametes?
Answers
Answer:
444eefff+-dgd2238if guy gt titty TRG y45y
If an organism is having 2n = 54 chromosomes, then the gamete will have 27 chromosomes each.
What are gametes?A gamete is an animal or plant reproductive cell. Female gametes are acknowledged as ova or egg cells in animals, whereas the male gametes are known as sperm.
During cell division, the gamete receives half of the chromosomes of the parent cell due to a process referred to as meiosis.
Thus, if an organism is having 2n = 54 chromosomes, then the gamete will have 27 chromosomes each.
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Write a procedure that will demonstrate the role of yeast in fermentation using the following materials: distilled water, bakers yeast, dextrose/glucose/sucrose, plastic water bottle, beaker, hot plate, graduated cylinder, balloons, and funnel.
Answers
Answer:
Here is a procedure that demonstrates the role of yeast in fermentation using the materials listed:
Materials:
- Distilled water
- Bakers yeast
- Dextrose/glucose/sucrose (one of these sugars)
- Plastic water bottle
- Beaker
- Hot plate
- Graduated cylinder
- Balloons
- Funnel
Procedure:
1. Start by measuring out 100 mL of distilled water using the graduated cylinder and pouring it into the plastic water bottle.
2. Add 1 gram of baker's yeast to the water in the bottle and stir gently to mix.
3. Next, add 5 grams of dextrose, glucose, or sucrose to the bottle using the funnel.
4. Gently swirl the bottle to mix the yeast and sugar with the water.
5. Place the balloon over the mouth of the bottle, making sure it is securely attached.
6. Set the bottle aside in a warm, dark place for at least 30 minutes to allow fermentation to occur.
7. While waiting for the fermentation to occur, fill the beaker with water and place it on the hot plate to heat.
8. Once the water in the beaker has reached a boil, turn off the hot plate.
9. Carefully remove the balloon from the mouth of the bottle and use the graduated cylinder to measure the volume of gas that has been produced in the bottle. Record this value.
10. Carefully pour the hot water from the beaker into the plastic water bottle and swirl to mix.
11. Quickly replace the balloon over the mouth of the bottle.
12. Observe the balloon and record any changes in size or shape that occur over the next few minutes.
13. Dispose of the contents of the bottle in a proper manner.
Explanation:
In this procedure, the role of yeast in fermentation is demonstrated by combining yeast, sugar, and water in a bottle and observing the production of gas (carbon dioxide) as a result of the fermentation process. The balloon placed over the mouth of the bottle allows the gas to collect and be measured. Heating the bottle after the fermentation process speeds up the chemical reaction and causes an increase in gas production, which is observed by the expansion of the balloon.
Will mark Brainliest if correct!
Identify at least one example each of absorption, transmission, reflection, and refraction of
waves in this photograph.
Answers
TRANSMISSION WAVES: pool water waves passing a shallow area continue with their energy mostly unchanged.
REFLECTION WAVES: surface of water reflects light.
REFRACTION WAVES: waves will bend away from normal if the waves move from a denser medium to a less dense medium which applies to Snell’s law.
You’re welcome
Answer:
Due to the obvious refraction, the diver's head appears to be separated from his body. Absorption takes place when some of the colors are absorbed, causing the snorkel to appear yellow or greenish. The sun, sky, sound, and light are all reflected. The light entering the water is referred to as transmission.
Explanation:
At least half of the known species of terrestrial plants and animals are found
A. in both temperate and tropical rain forests.
B. only in temperate rain forests.
C. only in tropical rain forests.
D. in both temperate and tropid grasslands.
E. only in temperate grasslands.
Answers
Answer:
a
Explanation:
nasa module example po yan hehehe
Answer:
I think it's A because rainforests are one of the most biodiverse biomes.
what are the selective pressures affecting the lemur population in this example? group of answer choices climate change predators that eat lemurs predators that eat bees pesticides
Answers
The selective pressures affecting the lemur population in this example are a. climate change and predators that eat lemurs.
Selective pressure refers to any factor that influences the survival or reproductive success of an organism. The term "selective pressure" is used in evolutionary biology to describe the various factors that affect the survival and reproduction of individuals within a population. Lemurs are the only primates endemic to Madagascar, they face a variety of threats, including habitat loss, hunting, and climate change. Climate change and predation by natural predators are the two main selective pressures affecting the lemur population.
As the climate changes, lemur populations are forced to adapt to new environmental conditions, which may be detrimental to their survival. Natural predators such as snakes, birds, and other carnivorous animals also contribute to the decline in lemur populations. Thus, the two selective pressures affecting the lemur population are climate change and predators that eat lemurs.
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Why is the amount of gas you measured only an estimate of the atp produced? consider what you know about liquids and gases. how can you change the setup to make it more accurate?
Answers
The amount of gas measured in a setup is an estimate of the ATP produced because gases are subject to various physical and environmental conditions that can affect their volume and behavior.
Gases are highly sensitive to temperature, pressure, humidity, and other factors, which can cause them to expand or contract.
Moreover, the process of measuring gas production involves several steps that can introduce errors, such as fluctuations in temperature or pressure, inaccuracies in measurement instruments, or the presence of other gases that can interfere with the measurement.
To make the setup more accurate, one can take several steps, such as:
Controlling the temperature and pressure of the system: By controlling the temperature and pressure, one can reduce the impact of environmental factors on gas behavior, and obtain more consistent and reliable measurements.Using more precise measuring instruments: One can use more accurate and precise measuring instruments, such as digital sensors, to measure the volume of gas produced.Conducting multiple trials and averaging the results: To reduce the impact of errors, one can perform multiple trials of the experiment and average the results.Using a gas-tight setup: To prevent the escape of gas and ensure accurate measurements, one can use a gas-tight setup that prevents the exchange of gas with the environment.To know more about rate of diffusion refer to-
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Which diagrams best illustrate the daughter cells that result from normal mitotic cell division of this zygote
Answers
Answer:
A is your answer for that question
What cellular structures do eukaryotic cells contain, but prokaryotic cells lack?
Group of answer choices
lysosome
mitochondria
nucleus
Answers
Answer:
There's no nucleus
Explanation:
all genetic material is freely in the cytoplasm since there is no fixed shaped or structured nucleus.
is blood considered as a tissue? If yes, then why are the cells present in blood not similar in structure or
function?
Answers
Explanation:
Blood is both a tissue and a fluid. It is a tissue because it is a collection of similar specialized cells that serve particular functions. These cells are suspended in a liquid matrix (plasma), which makes the blood a fluid.
When organisms eat, the food is broken down and used to
I. supply energy for growth and repair.
II. supply the building blocks for growth and repair.
III. supply the energy for reproduction.
A. I, II, and III
B. II only
C. I and III only
D. I only
Answers
When organism eat,the food is broken down and used to supply energy for growth and repair, and supply the building blocks for growth and repair as well as it also provide energy for reproduction.Thus option A is correct.
What is the role of food in production of energy required for various body functions?Food is the material which organism intake in order to get energy to perform various body functions.
The main function of food is to provide the raw materials for growth, reproduction, and repair.
Respiration is the process in which food is break down and energy is released.
Therefore,food is broken down and used to supply energy, building blocks and energy for reproduction.
Thus, option A is correct.
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Hormones are chemical molecules produced by endocrine glandsOne such endocrine gland is the thyroid gland, synthesizes the thormone, which in tur the heart musclesWhich statements describe the probable reason for the function of the hormone role
Answers
Answer:
Topic Overview. The thyroid gland uses iodine from food to make two thyroid hormones: triiodothyronine (T3) and thyroxine (T4). It also stores these thyroid hormones and releases them as they are needed.
Explanation:
Topic Overview. The thyroid gland uses iodine from food to make two thyroid hormones: triiodothyronine (T3) and thyroxine (T4). It also stores these thyroid hormones and releases them as they are needed.
Hiro rubs an inflated balloon on his hair, and his hair sticks to the balloon. As he moves the balloon away from his head, how does the electric force change?
The electric force increases because the balloon loses its charge.
The electric force increases because the distance increases.
The electric force decreases because the distance increases.
The electric force decreases because his hair loses its charge
Answers
Answer:
The electric force decreases because the distance increases.
Explanation:
As the distance increases, the electric force will be weakened and will decrease in return.
So, since Hiro moved the balloon away from his head, the distance between his head and the balloon will increase.
This will lead to a decrease in the electric force due to the increase in distance.
Answer:
c
Explanation: