Cambell Biology 11e Vol1 For Utah Valley University Ch 1-25
Cambell Biology 11e Vol1 For Utah Valley University Ch 1-25
11th Edition
ISBN: 9781323691519
Author: Urry
Publisher: PEARSON
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Chapter 11, Problem 3TYU

Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect only target cells because

(A) only target cells retain the appropriate DNA segments.

(B) intracellular receptors are present only in target cells.

(C) only target cells have enzymes that break down aldosterone.

(D) only in target cells is aldosterone able to initiate the phosphorylation cascade that turns genes on.

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Cambell Biology 11e Vol1 For Utah Valley University Ch 1-25

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