A) nitrogenase, cytochromes
B) carboxypeptidase, haemoglobin
C) haemocyanin, nitorogenase
D) haemoglobin, cytochromes
Correct Answer: D
Solution :
Nitrogenase contain nitrogen. Cyctochromes contain iron Carboxypeptidase contain carbon, nitrogen Haemoglobin contain iron Haemocyanin contain copper So, haemoglobin and cytochrome contain iron.You need to login to perform this action.
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