The majority of organisms live or grow in habitats between
A. pH 6 and 8.
B. pH 3 and 4.
C. pH 5 and 6.
D. pH 7 and 9.
E. pH 8 and 10.
Answer: A. pH 6 and 8.
Biology & Microbiology
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Four of the five answers listed below are
examples of mutualism. Select the EXCEPTION.
a. plants and pollinators b. plants and seed dispersal by fruit-eating animals c. mycorrhizae d. phorid flies and red fire ants e. anemone fish and anemones
Biology & Microbiology
The first modern antimicrobial drugs were sulfa drugs.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Transfer of random pieces of DNA mediated by phage is known as
A) transformation of competent cells. B) generalized transduction. C) conjugation. D) transposition. E) specialized transduction.
Biology & Microbiology
Replication of DNA is
A. semidispersive. B. conservative. C. redundant. D. semiconservative. E. dispersive.
Biology & Microbiology