Which of these organelles is assists in making proteins for all types of cells? a.) golgi apparatus b.) ribosomes c.) smooth er d.) lysosomes

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.

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