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
Biology & Microbiology
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
Biology & Microbiology
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