Can mutations replace alleles eliminated from a population by genetic drift?
a. yes
b. no
a
Biology & Microbiology
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A stool specimen is examined, and the following characteristics are observed: • 15 to 18 lateral branches on each side • Scolex with four suckers • No hooklets The intermediate hosts of this tapeworm are:
a. cattle. b. humans. c. cats. d. swine.
Biology & Microbiology
A mitogen triggers the release of a protein that binds a transcriptional regulator.
a. true b. false
Biology & Microbiology
Industrial smog causes air to turn
a. gray. b. black. c. brown. d. red. e. blue.
Biology & Microbiology
The most common mode of reproduction in bacteria is:
a. binary fission. b. transformation. c. transduction. d. conjugation. e. mitosis.
Biology & Microbiology