Which phylum is mismatched?

A. Firmicutes - gram-positive cell walls
B. Actinobacteria - waxy acid-fast cell walls
C. Gracilicutes - gram-negative cell walls
D. Proteobacteria - archaea cell walls


Answer: B

Biology & Microbiology

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If a population does not satisfy the Hardy-Weinberg equilibrium model, what may you assume about that population?

A. Evolutionary mechanisms are affecting the population. B. Evolution is occurring. C. No new mutations are occurring, only nonrandom mating. D. No migration is occurring. E. Evolutionary mechanisms are affecting the population and evolution is occurring.

Biology & Microbiology

Distinctly different groups within a species are known as 

A. varieties. B. breeds. C. subspecies. D. All of these answers are true.

Biology & Microbiology

If you force inspiration, how much more air than the tidal volume can you breathe in?

A. about two times the tidal volume B. about three times the tidal volume C. about five times the tidal volume D. about six times the tidal volume E. about four times the tidal volume

Biology & Microbiology

Unsaturated fatty acids are those containing carbon-carbon ________ bonds.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology