A) Target tissue 1 had fewer hormone receptors
B) Target tissue 2 and 3 had hormone receptors with a higher hormone affinity than 1.
C) Target tissue 1 had hormone affinity than 2 and 3.
D) The hormone was released only in the vicinity of target tissue 1.
Correct Answer: C
Solution :
[c] Because hormones are typically distributed throughout the blood, all potential target tissues will experience the same hormone concentration. Only by having either higher numbers of receptors, or receptors with greater hormone affinity, can one tissue be stimulated preferentially over other tissues by the same hormone.
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