An apoenzyme is ________.
A. an RNA molecule
B. often an inorganic metal ion
C. the protein part of a holoenzyme
D. also called a coenzyme
E. part of a simple enzyme
Answer: C
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Most Swiss starlings produce four to five eggs in each clutch. Starlings producing fewer or more than this have reduced fitness. Which of the following terms best describes this situation?
A) artificial selection B) directional selection C) stabilizing selection D) disruptive selection E) sexual selection
Which one of the following entities does not possess the ability to synthesize its own proteins?
?A. a B. a C. a D. a E. a bacterial cell
Pure-breeding yellow guinea pigs crossed with purebreeding
white ones produce only cream-colored offspring. This pattern indicates incomplete dominance. Rough hair is found to be dominant to smooth hair. Give the F1 and F2 genotypic and phenotypic ratios of a cross of a smooth, white guinea pig with a homozygous, rough, yellow guinea pig. What will be an ideal response?
Nutrients pass through this
a. A b. B c. C d. D e. E