What type of mutation alters the base, but not the amino acid being coded for?
A. point
B. silent
C. missense
D. back
E. nonsense
Answer: B
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Minerals move through the tissues of the plant root from the epidermis to the xylem in the center primarily by
a. passive transport with no expenditure of ATP. b. active transport with expenditure of ATP. c. active transport with no expenditure of ATP. d. facilitated diffusion with expenditure of ATP. e. facilitated diffusion without expenditure of ATP.
Mating practices specific to a species is an example of isolation.
A. gametic B. behavioral C. ecological D. mechanical E. temporal
Refer to the accompanying figure with the lateral line organs of fishes. The structures indicated by label 1 are:
a. hair cells.
b. cupula.
c. stereocilia.
d. sensory neurons.
e. supporting cells.
Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of glycogen. To which organism might this new species be related?
What will be an ideal response?