Which process is performed by bacteria in mutualistic relationships with legumes?

a. ammonification
b. biological magnification
c. denitrification
d. nitrification
e. nitrogen fixation


ANSWER: e

Biology & Microbiology

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The overall charge of a water molecule is ________

a. slightly negative b. slightly positive c. neutral d. a full negative charge

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How is Geobacter able to generate energy for fuel cells?

What will be an ideal response?

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Keratin filaments are anchored to junctions called

a. adherens junctions. b. tight junctions. c. desmosomes. d. gap junctions. e. neuromuscular junctions.

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A condition in which one gene pair masks the expression of a nonallelic gene pair is called ________

A) dominance B) epistasis C) codominance D) additive alleles E) recessiveness

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