A mutation that involves one or a few nucleotides is called
a. A mutagen
b. An inversion
c. A point mutation
d. A translocation
Ans: c. A point mutation
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Energy use by individuals varies among countries primarily because of differences in (select all that apply):
A. standard of living. B. the need to heat buildings in countries at high latitude. C. the need to cool buildings in countries near the equator. D. amount of travel. E. the type of food consumed.
Small RNA molecules (20—30 nucleotides in length) that have recently been found to have biological function include
A) microRNAs (miRNA). B) silencing RNAs (siRNA). C) messaging RNAs (mRNA). D) both choices A and C E) all of the above
In order to meet the conditions of the Hardy-Weinberg predictions, a population must:a
mutate very quickly. b. have a high rate of natural selection. c. have a large number of immigrants. d. have extensive mating rituals. e. be very large.
Mushrooms that we eat are technically referred to as:
a. basidiospores.
b. basidiocarps. c. myceliae. d. hyphae. e. gills