Epinephrine causes the enzyme glycogen phosphorylase to break down glycogen within a cell. Epinephrine performs this task on intact cells, meaning cells that have a membrane (not just cell contents placed in a medium). What does this fact reveal

Answers

Answer 1

Answer:

The fact that it reveals is that:

Epinephrine binds to the receptor tyrosine kinase on the cell membrane and does not act on glycogen phosphorylase.

Explanation:

In cellular respiration, epinephrine is a neurotransmitter and a plasma membrane hormone receptor.  It is not a lipid-derived hormone, but rather an amino acid-derived hormone. As a result, they are unable to pass through the plasma membrane of cells. They bind to receptors on the outer surface of the plasma membrane through plasma membrane hormone receptors (receptor's tyrosine kinase of the cell membrane) because they are lipid insoluble hormones.

Unlike steroid hormones, lipid insoluble hormones (epinephrine) do not directly influence glycogen phosphorylase or the target cell because they cannot enter the cell and operate directly on DNA. The activation of a signaling pathway occurs when these hormones attach to a cell surface receptor; this activates intracellular activity and performs the hormone's specific effects. Nothing crosses through the cell membrane in this fashion; the hormone that binds at the cell's surface stays at the cell's surface, while the intracellular component stays within the cell.


Related Questions

Red-green color blindness is a human X-linked recessive disorder. Jill has normal color vision, but her father is color blind. Jill marries Tom, who also has normal color vision. Jill and Tom have a daughter who has Turner syndrome and is color blind. a. How did the daughter inherit color blindness

Answers

Answer:

From her mother's (Jill's) father.

Explanation:

The vertical acis on a graph is called the y-axus for scientific data what usually placed along the y-axis

Answers

Answer:

dependent variables

What are the adaptive features of animal in rainforest

Answers

Answer:

Many animals have adapted to the unique conditions of the tropical rainforests. The sloth uses camouflage and moves very slowly to make it difficult for predators to spot. The spider monkey has long, strong limbs to help it to climb through the rainforest trees.

Hope it heps

#CarryOnLearning

Which of the following cells do not have specialized tasks in an organism? 1.) prokaryotic cells 2.) eukaryotic cells 3.) animal cells 4.) plant cells

Answers

Answer:

A. Prokaryotic cells

Explanation:

Prokaryotic cells don't have organelles

what kind of graph is this?​

Answers

Answer:

Explanation:

financial chart

Financial chart:):):):););););)

There are three criteria that scientists use to classify kingdoms. What are they?

Answers

Answer: cell type, ability to make food, and number of cells in their body

Explanation:

Can someone help me with number 8 and 9?

Answers

Acceleration is change in velocity divided by time or
V/t so 60/3 = 20

Acceleration refers to the velocity (magnitude and direction) and speed refers only to the highest rate of speed something can obtain.

Please answer only if you know this is a final 

Answers

Answer:

Explanation:

The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of a. mutualism because the flower provides the insect with food and the insect pollinates the flower.

Which micro-nutrient is NOT manufactured by living things?

A) Vitamins
B) Carbohydrates
C) Minerals
D) Fats ​

Answers

Answer:

Minerals is the micro-nutrient is not manufactured by living things

The dissolved waste molecules produced by the cells are removed primarily from the blood by the what?
A. large intestine
B.kidneys
C. skin
D. lungs

Answers

B-Kidneys

The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.

Question 5 Multiple Choice Worth 5 points)
(01.01 LC)
Which is a long-term benefit of fitness?
High blood pressure
Bone health
Arthritis
Depression

Answers

B. Bone health is the anser

Answer:

B. Bone health

Explanation:

Engaging in specific exercises helps us build and maintain stronger bones, allowing us to continue to do daily activities as we age.

8. Albinism ( lack of pigment) in humans is caused by a recessive gene. If normal parents have an albino child,
what is the probability that their next child will be normal for pigment color?
Show the Punnett Square

Answers

The probability that their next child will be normal is 1/4

Define Vascular tissue?

Answers

Answer:

Vascular tissue is a complex conducting tissue found in vascular plants that is made up of several cell types. The xylem and phloem are the two main components of vascular tissue. Internally, these two tissues carry fluid and nutrients.

OAmalOHopeO

When one glucose molecule travels through the glycolysis processes, four molecules of ATP are generated. Is it accurate to suggest that glycolysis produces two ATP molecules?

Answers

Answer:

No

Explanation:

Technically, this is inaccurate. To say that glycolysis produces two ATP molecules strays from the input of ATP needed. Overall, 4 ATP molecules are produced during glycolysis. However, there is an input of 2 ATP molecules at the beginning. Therefore, the correct statement would be that glycolysis produces 2 net ATP molecules, not that glycolysis produces 2 ATP molecules. (The word net makes a big difference!!).

How many question are on the biology MCAS for 9th grade this year

Answers

Answer:

Should be between 50 and 60. I'm assuming about four to six will be open repsonse.

Explanation:

Past experience.

Which statement best describes the components of nucleic acids?

Answers

Answer:

The statement which describes best about nucleic acids is: They are made up of 'nitrogen bases', 'sugars' and 'phosphates'.

Explanation: Nucleic acids are biomolecules that are known to all forms of life.

4. Ask a question about the relationship between two objects

Answers

Answer:

Is the two objects depends on each other or not?

Explanation:

If one body depends on the other object it means that there is a direct relationship between these two objects because if increase occur in one object, the value for other object also increases and vice versa while on the other hand, if the two objects independent or does not depend on each other, there is no direct or inverse relationship present among each other that effect one another.

In the picture below the purple circles represent salt molecules. Which way would
the water molecules move across the membrane

Right to left toward the higher concentration of salt

Left to right away from the higher concentration of Salt

Answers

Left to right away from the higher concentration of salt. Fluids try to be in balance, with equal distribution of what’s dissolved in them.

What is happening in these images?

Answers

there aren't any images lol

The antibiotic susceptibility testing result of Staphylococcus aureus showed absence of growth on the zones of penicillin, ampicillin, tetracycline, chloramphenicol disk. Interpret the result.

Answers

Answer:

See Explanation

Explanation:

We define antibiotic susceptibility testing as an evaluation of the ability of  antibiotics to inhibit bacterial growth. This test is necessary because certain bacteria may have developed resistance to certain antibiotics.

Hence, if the antibiotic susceptibility testing result of Staphylococcus aureus showed absence of growth on the zones of penicillin, ampicillin, tetracycline and chloramphenicol disk, then it implies that these antibiotics are all largely effective against Staphylococcus aureus and could be used for treatment of Staphylococcus aureus infection.

. The area of particle 1 is
2.5 mm². The area of particle 2
is 0.5 mm². The area of particle
1 is how many times as big as
the area of particle 2?​

Answers

Answer:

The correct answer is - 5 times

Explanation:

Given:

area of P1 = 2.5

area of P2 = 0.5

Solution:

Let assume:

area of P1 is x times of the area of P2

then the equation would be:

=>  2.5 = x*0.5

=>  2.5/0.5 = x

=> 5 = x

Thus, area of P1 is 5 times to the area of P2

In guinea pigs, the color of the fur is determined by a single gene with two alleles control. The brown allele (B) is dominant over the white allele (b). Two heterozygous guinea pigs are crossed. Draw a genetic diagram with the genotypic, phenotypic and ratio information of the P₁ and F ₁ generations of this cross.​

Answers

Answer:

See

Explanation:

Given:

Brown allele (B) is dominant over the white allele (b).

It will be assumed that the alleles are not related to the X and Y chromosomes.

See attached diagram for details of the general case (for both homo-zygous and hetero-zygous parents)

For both parents hetero-zygous,

P1:

Genotype: Bb (100%)

Phenotype: brown (100%)

F1:

Genotypes : BB, Bb, bB and bb in equal proportions, i.e.

BB (25%), Bb (50%), bb (25%)

Phenotypes: 75% brown (from BB and Bb), 25% white (from bb)

Select all the correct answers.
Adrian caught a virus while staying with his grandmother. A few years later. his mother and sister got the same virus. This virus could spread
through touch and direct contact. However, Adrian did not contract the virus
Why did he not get sick?
this time, even though he was living with his mother and sister.
2 Adrian's adaptive immunity remembered the antigens from the virus and gave him lifelong
immunity to it
- Adrian's innate immunity remembered the antigens from the virus and gave him lifelong immunity
to it.
.
Adrian's skin layer recognized the antigens and attacked them, which prevented the occurrence of
the virus again.
0
Adrian's innate immunity identified antibodies specific for the virus and targeted them against the
antigen.
0
Adrian's adaptive immunity produced a higher amount of specific antibodies for the antigen,
preventing the virus.

Answers

Answer:

The answer is A.

Explanation:

Adaptive immunity recognizes antigens of viruses.

Second page I hope y’all have a great day

Answers

Answer:

6. We know because of bones and ancient fossils.

7. Yes, because we are currently making history right now as I write this.

8. About 5 or 4 billion years or 50 million years i think.

9. Charles Darwin was an English Biologist as well as a geologist.

10. Answer Depends on yourself, sorry

Explanation:

Can somebody help me with number 2

Answers

D
If it’s recessive you must have both genes of it to carry the actual disease

A doesn’t have it whatsoever so we can eliminate that
C is the genes of a man (has a Y chromosome) eliminate that
B has both recessive so the disease would be present and show eliminate that

Calculate the angle of impact for a blood droplet whose width is 6.8 mm and length is 7.2 mm.

1.)94°
2.) 16°
3.) 1°
4.) 71°

Answers

Answer:

71°

Explanation:

To obtain the angle of impact :

The length of blood stain = hypotenus

The width = opposite

Hence,

Hypotenus = 7.2 mm ; Opposite = 6.8mm

Angle of impact, θ = sin^-1(opposite /hypotenus)

θ = sin^-1(6.8/7.2)

θ = 70.8°

θ = 71°

Particulates can be removed from smokeslack emissions by which of the following methods?

Answers

Install an electrostatic precipitator (ESP) component, which is a particle control system that helps remove particles from a smokestack by using electrical charges. According to the U.S. Environmental Protection Agency, an ESP can remove small particles with up to 99 percent efficiency.

Which type of bond is illustrated in the following image?

covalent
ionic
metallic
unknown

Answers

Answer:

covalent bonding

Explanation:

It’s the covalent bond, I think

A 14-year-old boy develops a pruritic vesicular rash on his face and hands 3 days after hiking in the woods. Which of the following are most likely to be involved in his illness?

a. Antibody, complement C5-9
b. Circulating immune complexes; complement C5a, neutrophils
c. Cytotoxic T lymphocytes
d. IgE, mast cells, histamine, cytokines
e. Lymphocytes, cytokines, macrophages

Answers

Answer:

The correct answer is: E) Lymphocytes, cytokines, macrophages.

Explanation:

Given the symptoms and how much time they took to appear, the 14-year-old boy seems to be having delayed-type hypersensitivity (also called Type 4 hypersensitivity), causing a reaction called Contact Dermatitis. Type 4 is the only type of hypersensitivity that does not require the intervening of an antibody to occur as it happens because of hapten-specific T cells that will generate inflammation and the tissue damage that is usually accompanied by it.

Delayed-type hypersensitivity is characterized for happening at least 48 hours after the contact with the antigen, and will involve activated T lymphocytes (specifically CD4+ Th1), which will secrete cytokines (most importantly Interferon Gamma and IL-2) thus attracting macrophages to the tissue to phagocyte the antigen and produce inflammation.

Most of the solar radiation absorbed by Earth's surface is later radiated back into space as to which type of electromagnetic radiation?"

Answers

Answer:

The sun's visible wavelengths of radiation pass easily through the atmosphere and reach Earth. Approximately 51% of this sunlight is absorbed at Earth's surface by the land, water, and vegetation. Some of this energy is emitted back from the Earth's surface in the form of infrared radiation

Explanation:

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