oviductSperm capacitation takes place in the ____
a. testes
b. vas deferens
c. vagina
d. uterus
e. oviduct
ANSWER: e
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The "big bang" refers to
a. an event marking the beginning of the universe. b. the extinction of the dinosaurs. c. the inevitable end of the universe. d. the collision of the first galaxies forming the universe as it is today. e. the inevitable death of large stars
Which hormone stimulates insect growth and molting?
a. ecdysiotropin b. juvenile hormone c. histamine d. pheromone e. ecdysone
Fusion of a cancer cell and a normal cell using polyethylene glycol yields a hybrid cell that behaves like a normal cell because
A) of recombination between cancer cell and normal cell chromosomes. B) of dilution of carcinogens in the hybrid cell cytoplasm. C) of the presence of normal cell tumor suppressor genes and gene products in the hybrid cell. D) exposure to polyethylene glycol inhibits expression of oncogenes. E) the normal cell DNA repair machinery reverses all cancer cell gene mutations.
The swapping of corresponding segments between homologous chromosomes is ____________________. Fill in the blank(s) with the appropriate word(s)