The acrosome of a sperm cell contains ____

a. a haploid number of chromosomes
b. a diploid number of chromosomes
c. enzymes and other proteins


d. mitochondria
e. ATP


ANSWER: c

Biology & Microbiology

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The tall ferns that we typically see in the tropics and temperate woodlands are the ________.

A. gametes B. spores C. sporophytes D. gametophytes

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When a female has low levels of estrogen and progesterone, ________

A) she is ovulating B) her uterus is ready to accept an embryo C) she is pregnant D) she is menstruating

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In RNA molecules, adenine is complementary to

A.) cytosine. B.) guanine. C.) thymine. D.) uracil.

Biology & Microbiology

Parvovirus B19 causes a fatal anemia in the fetus.

Answer the following statement true (T) or false (F)

Biology & Microbiology