Some cyanobacteria are capable of nitrogen fixation, a process that __________.
a. converts N2 to ammonia, making nitrogen available for incorporation into proteins and nucleic acids
b. oxidizes nitrogen-containing compounds to produce ATP
c. allows these bacteria to live in anaerobic environments
d. removes soil nitrogen and returns N2 gas to the atmosphere
e. s an essential part of the nitrogen cycle that extracts nitrogen trapped in mineral deposits and makes it available to organisms for their nitrogen metabolism
Answer: a. converts N2 to ammonia, making nitrogen available for incorporation into proteins and nucleic acids
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