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Up-regulation is where a cell creates more receptor due to little ligand activity. Down-regulation is the opposite. They are caused by intracelluar processes.

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Does up-regulation involve the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels?

No, up-regulation involves an increase in the number of receptors on target cells in response to low hormone levels, which enhances the cell's sensitivity to the hormone. This helps the target cells respond more effectively to the hormone.


What term does down-regulation refer to?

Down-regulation refers to the process by which a cell decreases the number of receptors on its surface in response to high levels of a specific signaling molecule. This reduces the cell's sensitivity to the signaling molecule.


What is the process that is made up of all the activities that help maintain an organism's homeostasis?

The process that is made up of all the activities that help maintain an organism's homeostasis is called physiological regulation. This includes various mechanisms such as temperature regulation, hormone balance, and fluid balance to ensure internal stability in response to external changes.


The process by which the product of a system shuts down the system or limits its operation is called the inhibition?

The process you are referring to is known as negative feedback regulation. In negative feedback regulation, the product of a system acts to decrease its own production or activity, maintaining a balance within the system. This helps to prevent excessive build-up of the product and maintain stability in the system.


What causes adenosine to build up in the body?

Adenosine builds up in the body when cells break down ATP (adenosine triphosphate) during energy production or when there is a decrease in blood flow or oxygen levels.

Related Questions

What kind of regulation is release of epinephrine from the adrenal medulla?

down regulation


Sometimes prolonged excessive exposure to high hormone concentrations causes a phenomenon known as?

prolonged exposure to high hormone concentrations desensitizes the target cells, so that they respond less vigorously to hormonal stimulation. This "down-regulation" involves loss of receptors and prevents the target cells from overreacting


What does up and down mean in golf?

Basically a pitch and a putt. If you miss the green you hit it onto the green- known as the up, then putt it in the hole- known as the down.


What causes a bicycle to speed up going down hill?

gravityGRAVITY


When you lay down and look up you get dizzy what causes that?

ear infection


What causes a lawn mower engine to constantly rev up and down?

Revving up and down is usually a symptom of a dirty air filter.


What causes liquid in thermometer to travel up and down in tube?

Heat causes Mercury in the thermometer to expand, where as when it is cooled, it contracts.


What force causes an object to change direction?

gravity (up to down) friction


What causes the moon to speed up or slow down in orbit?

time of the season


Are deregulation and down regulation same?

qurl you have a deathwish


Does up-regulation involve the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels?

No, up-regulation involves an increase in the number of receptors on target cells in response to low hormone levels, which enhances the cell's sensitivity to the hormone. This helps the target cells respond more effectively to the hormone.


What causes an object slow down or speed up?

an external net force acting on it