Hormones are chemical substances produced in one organ that is released into the bloodstream and affect the function of a target organ. Which of the following conditions is required for the target organ to respond to a particular hormone?
a. Cells in the target organ must modify their plasma membranes to allow the hormone to enter the cytoplasm.
b. The target organ must have receptors that recognize and bind the hormone molecule.
c. The target organ must be the same as the organ that produced the hormone.
d. The target organ must have the opposite mating type of the organ that produced the hormone.
