The male hormones are consistently released over a lifetime. that explains why a man can father a child well into his eighties (assuming he can still deliver the sperm, but there are drugs for that). a female's reproductive cycle is just that, a cycle. it begins at puberty, menarche, and ends with the release of an ova from the last follicle. describe the female reproductive cycle, the hormones involved and what each one does.

i think the answer is b.

hope it

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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