What is the name of the group of enzymes that become very active during the LAG phase of growth? Phytases
Proteases
Permeases
Papain

"d.) carbon dioxide and hydrogen sulfide"

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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