The minimum gene set has on the order of:
a. 2 genes. c. 200 genes.
b. 20 genes. d. 2,000 genes.
C
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Two researchers suggested in the 1960s that ____ may have been the first informational molecule
a. DNA b. a protein c. RNA d. ozone e. an amino acid
Primates apparently arose from ancestral forms of
a. Insectivora, which includes omnivorous shrews and moles. b. Carnivora, which includes dogs, cats, and seals. c. Rodentia, which includes mice and beavers. d. Metatheria, which includes the opossum and kangaroo. e. Primata, which means first.
Several hours after a meal, glucagon increases blood glucose levels by activating an enzyme that breaks down glycogen, which is stored primarily in the
A) liver. B) pancreas. C) small intestine. D) kidneys. E) heart.
In order to synthesize deoxyribonucleotides from ribonucleotides, the second carbon of the sugar must be ________.
A. reduced B. oxidized C. assimilated D. phosphorylated