Which of the following best describes the action of an endocrine disruptor?
A. An endocrine disruptor attacks hormones that invade a body system and cause disease.
B. An endocrine disruptor blocks the receptor protein binding site of a hormone so that the cell cannot receive a signal.
C. An endocrine disruptor acts as an organic catalyst, produced by living things to regulate the rate of chemical reactions.
D.An endocrine disruptor helps to transport substances, such as pesticides, in an organism following exposure.