The reproductive cycle in females is regulated
primarily by
(1) estrogen and testosterone
(2) estrogen and progesterone
(3) progesterone and insulin
(4) progesterone and testosterone

Your answer would be B. (2) seeing that testosterone is in men and insulin would be incorrect because the answer choice doesnt include estrogen--the key hormone produced in women.

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you