Which class of molecule is the most diverse in terms of structure and roles played in cells?

a. proteins
b. lipids
c. nucleic acids
d. carbohydrates
e. amino acids


ANSWER: a

Biology & Microbiology

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The organisms that convert carbon dioxide into organic matter are the

A. secondary consumers. B. primary consumers. C. producers. D. decomposers.

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Select the molecule that contains the most stored chemical energy:a

ethyl alcohol. b. water. c. carbon dioxide. d. lactate. e. oxygen.

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The use of sulfate as a terminal electron acceptor by Desulfovibrio is an example of assimilatory sulfate reduction.

Answer the following statement true (T) or false (F)

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Class Betaproteobacteria includes all but which of the following genera?

A. Neisseria B. Bordetella C. Lepothrix D. Campylobacter

Biology & Microbiology