If a species of animal had 16 pairs of chromosomes in its normal body cells, its gametes would contain _____ chromosomes.
A) 16
B) 8
C) 32
D) None of the above is correct.
Ans: B) 8
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Information from the medial retina of each eye crosses to the opposite side to join its corresponding lateral visual field at the level of the
a. optic chiasma. b. optic nerve. c. optic tract. d. corpus callosum. e. geniculate nucleus.
Binding sites on the surface of actin allow the formation of cross-bridges with molecules
of A) ATP. B) tropomyosin. C) troponin. D) myosin.
The structure of RNA differs from DNA in that
A) the backbone of RNA contains ribose.
B) RNA contains pyrimidines but not purines.
C) RNA contains purines but not pyrimidines.
D) DNA contains pyrimidines but not purines.
E) DNA contains purines but not pyrimidines.
____ refers to a hypersensitivity of one person to another person's tissue.
Fill in the blank(s) with the appropriate word(s).