What molecule is the body’s main energy source?

a. oxygen
b. carbon dioxide
c. glucose
d. fats
e. proteins


ANSWER: c

Biology & Microbiology

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A deleterious mutation in recA results in

A) a decrease in specific recombination. B) a decrease in homologous recombination. C) an increase in homologous recombination. D) no change in either general or specific recombination.

Biology & Microbiology

Water has a molecular weight of 18 g per mole, and glucose has a molecular weight of 180 g per mole

Which of the following would have an approximately equal number of water and glucose molecules?

a. 1 g of water and 180 g of glucose b. 90 g of water and 9 g of glucose c. 180 g of water and 1 g of glucose d. 9 g of water and 90 g of glucose e. 90 g of water and 90 g of glucose

Biology & Microbiology

The primary immune response can take up to ____ for the antibody to peak, whereas the secondary immune response can take up to _____ for the antibody to peak.

What will be an ideal response?

Biology & Microbiology

Autotrophs must acquire carbon from organic molecules produced from other organisms.

a. true b. false

Biology & Microbiology