Steroid hormones can trigger gene expression in a select number of cells because
a. only target cells allow the steroid hormone to cross the plasma membrane.
b. nontarget cells have a steroid hormone response element encoded in their DNA.
c. only target cells have the correct receptor in their cytosol to bind to the hormone.
d. nontarget cells lack the genes found in target cells.
e. only target cells have the genes that steroid hormones activate.
C
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