The ovaries are regulated by the____
a. anterior pituitary
b. posterior pituitary
c. hypothalamus
d. presence of environmental estrogens
e. gonadal hormones
ANSWER: a
Biology & Microbiology
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A _____, such as a vitamin, binds to an enzyme and plays a role in catalysis.
Fill in the blank(s) with the appropriate word(s).
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Protozoa are primarily
A) free-living. B) pathogenic. C) parasitic. D) photosynthetic.
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In what way are semisynthetic penicillins and natural penicillins alike?
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Biology & Microbiology