In circumstances where the body requires prolonged or increased levels of a hormone, the dna of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. this is known as

The answer is Up-regulation.  One of the best description of the process of up-regulation is an Increase the number of surface receptors.  Acts as transcribing factor and binds to DNA, activating a gene. From binding to DNA before a hormone binds to the receptor.

the answer is: reproductively

i think i spelled it wrong lol

anyways hope i

-lavira: )

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )