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stepan [7]
3 years ago
12

Which of the following is NOT a mechanism to prevent oxygen from entering the environment of nitrogenase? Group of answer choice

s Reduction of iron to prevent oxidation Protective proteins sequestering the nitrogenase Using specialized cells to sequester nitrogenase Separating oxygenic photosynthesis and nitrogen fixation temporally
Biology
1 answer:
Margaret [11]3 years ago
5 0

Answer:

Reduction of iron to prevent oxidation.

Explanation:

Bacteria has several mechanisms to protect the enzyme nitrogenase, one of them involves the increase of their metabolism to reduce the oxygen availability.  

Besides this mechanism, there is also a conformational protection. This involves an interaction with FeSII protein, a ferredoxin. This protein is found as a homodimer that contains a 2[Fe-S] cluster, so reduction of Fe is not one of the mechanisms.  

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