What sensory equipment is required for an animal to have binocular vision?
A. Ultraviolet vision
B. Forward-facing eyes
C. Infrared vision
D. A camera-type eye with multiple lenses
E. Eyes located to the sides of the head
Answer: B
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Once a scientific theory becomes a law, it
A) cannot be changed. B) cannot be challenged. C) becomes static. D) is subject to modification. E) is irrefutable.
Glucose
A. is preferentially used over lactose in E. coli as a result of catabolite repression. B. levels are directly sensed via catabolite repression. C. levels are the inverse of cAMP levels. D. levels directly affect the production of lactose dehydrogenase. E. is preferentially used over lactose in E. coli as a result of catabolite repression AND glucose levels are the inverse of cAMP levels.
What are the four major classes of chromosomal rearrangements?
A) inversions, duplications, translocations, deletions B) duplications, reciprocal translocations, nonreciprocal translocations, inversions C) deletions, inversions, duplications, point mutations D) translocations, pericentric inversions, paracentric inversions, deletions
Females of various species shop around for
males that a. have the best burrows. b. offer superior nuptial gifts. c. make showy displays. d. include any or all of these. e. include none of these