The oral contraceptive pill contains ____

a. estrogen only
b. estrogen and/or progestin
c. estrogen and FSH
d. FSH and progestin
e. estrogen, progestin, and FSH


ANSWER: b

Biology & Microbiology

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What will be an ideal response?

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Procedures that replace the source of a male or female gamete, aid fertilization, or provide a uterus are called

A) assisted reproductive technologies. B) preimplantation genetic diagnosis. C) sequential polar body analysis. D) gene therapy.

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A temperature-sensitive (ts) mutation is often due to a ________ mutation that affects protein folding or activity.

A) null B) nonsense C) missense D) silent

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Oats are eaten by humans as oatmeal or rolled oats, and as feed for livestock such as cattle. In order for an oat plant to make the part we eat (the seed), it must flower and be pollinated. Typically, oat plants flower when days are lengthening (i.e., late spring to early summer). What is the best classification for oat plants?

A) long night
B) short night
C) night neutral
D) short day

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