Vitamin B3 is a precursor of

a. NADH.
b. ATP.
c. DNA.
d. RNA.
e. more than one of these.


A

Biology & Microbiology

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Which of the following human diseases is linked to a class of Epsilonproteobacteria?

A. Guillian-Barre Syndrome B. Diarrhea C. Stomach ulcers D. Gastric cancer

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While on the H.M.S. Beagle, Darwin observed that ____

a. organisms on the Galápagos Islands resembled species on the mainland b. armadillos and glyptodonts coexisted in some habitats but not others c. similar organisms colonized similar habitats in South America and Europe d. organisms in different South American habitats resembled each other, but did not resemble organisms in similar European habitats e. no organisms resembled fossilized extinct animals

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The coupling of endergonic to ____ reactions is used to generate ____ in a cell

a. exergonic, ATP b. endergonic, AMP c. exergonic, AMP d. endergonic, ATP e. endergonic, ADP

Biology & Microbiology

If you had a block of ice and you smashed it into little pieces, the surface area would 

A. stay the same but the volume would increase. B. increase but the volume would decrease. C. increase but the volume would not change. D. decrease but the volume would not change.

Biology & Microbiology