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SAT® Subject Test in Biology

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Moderate

Nitrites to Nitrates

SATBIO-1R1EKK

In the nitrogen cycle, various processes occur as nitrogen is converted into different compounds. Answer the following question using the choices provided. The answer choices may be used once, more than once, or not at all.

By which process do bacteria convert nitrites into nitrates?

A

Denitrification

B

Ammonification

C

Decomposition

D

Nitrogen fixation

E

Nitrification