The stimulus for contractions of the uterus to bring about birth is the hormone 

A. estrogen.
B. follicle stimulating hormone.
C. oxytocin.
D. luteotropic hormone.


C. oxytocin.

Biology & Microbiology

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A large portion (45%) of the human genome is composed of  

A.  introns. B.  exons. C.  templates. D.  transposons. E.  pseudogenes.

Biology & Microbiology

In their experiments to identify the transforming principle, Avery, MacLeod, and McCarty used enzymes that break

down ____.

a. protein, DNA, and RNA b. protein and RNA only c. DNA only d. protein, lipids, and RNA

e. lipids and DNA only

Biology & Microbiology

In non-cyclic photophosphorylation, where do electrons go after being released from photosystem II?

1.through an electron transport chain and into photosystem I 2.into photosystem I, through an electron transport chain, and then into NADPH 3.back into water 4.back into photosystem II

Biology & Microbiology

________________ is released from the posterior pituitary gland, acts slowly, and regulates the rate at which the body loses water through the kidneys. 

A. Epinephrine B. Norepinephrine C. Antidiuretic hormone D. Testosterone

Biology & Microbiology