In the process of aerobic metabolism, carbon containing molecules are broken down and the energy from the electrons

is used to ____.



a. directly supply the energy needs of an organism
b. alter enzyme structure
c. generate a proton gradient
d. heat the organism in a cold environment
e. supply heat to stored fat


ANSWER: c

Biology & Microbiology

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In humans, ____ mutations cause forms of Ehlers–Danlos syndrome a disruption of collagen synthesis that may result

in loose skin or weak joints.

a. frameshift b. deleterious c. advantageous d. lethal e. neutral

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Which animal, A, B, C, D, E, or F, has a nervous system feature referred to as a dorsal nerve cord?

1.A 2.B 3.C 4.D 5.E 6.F

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Bacterial plasmids and artificial chromosomes are used as ________ to insert foreign DNA into host cells and create recombinant genomes.

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