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Anvisha [2.4K]
3 years ago
11

Epinephrine is a hormone that regulates cellular energy metabolism to break down glycogen into glucose. The signal transduction

pathway involves the production of cAMP. If caffeine blocks the activity of cAMP, what would happen to the signal transduction pathway?
The signaling pathway will amplify and produce more glucose.
The signaling pathway will conform to bind to the receptor cells.
The downstream components will be altered and ultimately affect production of glucose.
The downstream components will function normally.
Biology
1 answer:
docker41 [41]3 years ago
8 0

Answer: The downstream components will be altered and ultimately affect production of glucose.

Explanation: Epinephrine is a hormone that belongs to a class of biomolecules called catecholamines. When it reaches the target cell it binds to a receptor that is connected to an enzyme called adenylate cyclase that converts ATP into cAMP(cyclic adenosine monophosphate). cAMP plays an important role in the phosphorylation of proteins which alters their activity. In this case the activity of the enzyme that hydrolyses glycogen to glucose. When caffeine blocks the activity of cAMP it ultimately inhibits the action of the downstream components.

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How do plants play a crucial role in the carbon cycle?
schepotkina [342]

plant activity impacts the carbon cycle by introducing more carbon dioxide into the atmosphere: carbon dioxide accumulates in the atmosphere, changes temperatures and alters the salinity levels of oceans, disturbing the salt and water balance equilibrium that supports proper growth of marine plants and animals.

8 0
4 years ago
During which time period was Earth a ball of hot liquid?
IgorLugansk [536]

Answer:

Approximately 4.5 billion years ago (The Hadean Eon) .

Explanation:

The Geologic Timescale's "Hadean" era, named for Hades (Hell, well, we weren't feeling very imaginative that day), encompasses the Earth's origins. According to the evidence we currently have, the Earth's surface at that time was mostly made up of lava lakes and molten rock.

How would that appear? The first 500 Ma of Earth's history have left very little stuff behind. You may, however, take a peek at our moon, which similarly went through a lava lake period before freezing. You'll see that it has both dark and bright landscape.

The lighter material is known as highlands and is primarily composed of anorthosite. Anorthose, a kind of plagioclase feldspar, is the main component of the igneous rock known as anorthosite. According to what we know, the Moon too had a lava lake era. Liquid rocks exposed at the surface were cooling and fractionally crystallizing throughout this lengthy period. A certain order of minerals was developing. And these minerals were dividing up according to the density of the melt; less dense minerals, like plagioclase (Anorthose is a plagioclase), floated to the surface in a sort of incandescent crystal slush slurry and formed a sort of lid there. Denser minerals, like olivines, were sinking to the bottom of the lava lake to form cumulates. As the lava lakes cooled, anorthosite piled on top in successive layers, thickening the mass of floating crystals. Large meteor impacts occasionally pierced this anorthosite crust, and part of the thicker (and darker) underlying liquid accumulated in the ensuing craters to produce those roundish dark patches (Maria), which are now filled with basalt.

After the lava lakes froze/crystallized over, such characteristics were maintained since there was no significant tectonic activity on the Moon (except for the local meteor impacts which screw things up a bit).

6 0
2 years ago
Water bends light. This type of bending is called refraction. The drawing tool shows a penny submerged in water, but only part o
dem82 [27]

The water bends everyone's path into a normal line drawn perpendicular to the shoreline, as the people still on the shore are bent farther away from the shoreline than those in the water.

The same thing happens to a ray of light as it moves from air to water, or from a fast medium to a slow

one: it bends toward the normal.

Light does just that when moving between media. It takes the path that takes the least amount of time when you consider the difference in speed between the media.

For example, imagine you are looking out the window. You have air, glass, and then air again. Glass is denser than air, so light from the outside travels from a fast medium, through a slow medium, and back into a fast medium. The light takes its way from the outside to your eye, which spends the least time

learn more about refraction below

https://brainly.in/question/1651781

#SPJ10

7 0
2 years ago
Describe cloud formation
In-s [12.5K]

Answer:

Answer is under explanation

Explanation:

Clouds are like steam in a way. Moist and airy. Its when warm rises and air cools and expands in the atmosphere. Then the water vapor in the air condenses to form tiny water droplets

If you have any questions feel free to ask in the comments.

6 0
4 years ago
It takes __________ seconds after exposure to headlight glare for the pupil to adapt once again to dark conditions. seven five t
Harrizon [31]

It takes seven seconds for the pupil to adapt once again to dark conditions after getting exposed to headlight glare.

The pupil of the eye refers to the black circle at the midpoint of the iris. The pupil functions mainly to monitor the amount of light getting inside the eyes, to make sure that to much light does not blanch out the visions in extremely bright light conditions, and to capture as much light as possible in dim light conditions.

8 0
4 years ago
Read 2 more answers
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