Strain differences are helpful in
A. replica plating.
B. electrophoresis.
C. transformation.
D. transduction.
E. tracing the source of outbreaks of disease
E
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Which of the following would NOT be expected to affect primary production?
A. biomass of primary consumers B. biomass of producers C. nutrients D. water E. sunlight
Mutations
a. can be beneficial. b. can be harmful. c. can be neutral. d. can be beneficial, harmful or neutral. e. can evolve within an individual.
When the cap of an average gilled mushroom is cut off and placed on paper, a spoke-like print eventually appears on the paper under the cap. This powdery material would be
A. mycelia. B. basidiospores. C. sporangiospores. D. hyphae. E. conidiospores.
How does an apple fly's attraction to a particular type of fruit promote genetic divergence?
A. On apple trees, they are much more likely to encounter hawthorn flies than other apple flies. B. The scent allows female flies to produce more offspring. C. It makes no difference in promoting genetic divergence. D. On apple trees, they are much more likely to encounter other apple flies than hawthorn flies.