Before the experiments of hershey and chase, some scientists thought traits were inherited through

grad point answer is PROTEIN

answer; the above answer to the above statement is (true)

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 : )