Which factor allows bacteria species to adapt to environmental changes faster than fish?
A. smaller size
B. smaller nutrient needs
C. shorter generation time
D. lack of a nuclear membrane
Answer: C
Biology & Microbiology
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Agar is derived from
(a) red algae. (b) brown algae. (c) green algae. (d) all of the above.
Biology & Microbiology
Which is not true of a cuticle?
a. restricts light b. restricts carbon dioxide diffusion c. contains waxes and pectin d. restricts oxygen diffusion
Biology & Microbiology
Fluorine, bromine, chlorine, and iodine are classified as nonmetallic
A) halogens. B) phenolics. C) alcohols. D) detergents.
Biology & Microbiology
Avery and his coworkers showed that the agent responsible for changing nonvirulent bacteria into virulent bacteria was
A. polysaccharide. B. RNA. C. protein. D. DNA. E. lipid.
Biology & Microbiology