Gujarati
12.Ecosystem
normal

Degradation of proteins play a part in

A

Calvin cycle

B

Water cycle

C

Sulphur cycle

D

Nitrogen cycle

Solution

(d)Plants and animals contain nitrogen in their body protein. After death, the proteins of dead bodies are decomposed into amino acids and ammonia. This ammonia may be converted into nitrates or free nitrogen.

Standard 12
Biology

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