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Chapter 37: Q.25 (page 1079)

How can hormones mediate changes?

Short Answer

Expert verified

Through their binding to particular hormone receptors, hormones cause changes in target cells.

Step by step solution

01

Hormones circulate

  • During this way, although hormones circulate throughout the body and are available into contact with many various cell types, they only affect cells that possess the mandatory receptors.
  • Receptors for a particular hormone is also found on many alternative cells or could also be limited to atiny low number of specialized cells.
02

Metabolic activity

  • For instance, thyroid hormones act on many alternative tissue types, stimulating metabolic activity throughout the body.
  • Cells can have many receptors for the identical hormone but often also possess receptors for various forms of hormones.

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Most popular questions from this chapter

A new antagonist molecule has been discovered that
binds to and blocks plasma membrane receptors. What
effect will this antagonist have on testosterone, a steroid
hormone?
a. It will block testosterone from binding to its
receptor.
b. It will block testosterone from activating cAMP
signaling.
c. It will increase testosterone-mediated signaling.
d. It will not affect testosterone-mediated signaling.

When insulin binds to its receptor, the complex is
endocytosed into the cell. This is an example of ______ in
response to hormone signaling.
a. cAMP activation
b. generating an intracellular receptor
c. activation of a hormone response element
d. receptor down-regulation

Where is insulin stored, and why would it be released?

Describe one direct action of growth hormone (GH).

Drinking alcoholic beverages causes an increase in urine
output. This most likely occurs because alcohol:
a. inhibits ADH release.
b. stimulates ADH release.
c. inhibits TSH release.
d. stimulates TSH release.
See all solutions

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