Living organisms can be classified as prokaryotes or eukaryotes. which two structures are common to both prokaryotic and eukaryotic cells? a. cell wall and nucleus b. cell wall and chloroplast c. plama membrane and nucleus d. plasma membrane and cytoplasm

currents is the correct answer.

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 : )