In living beings ammonia is converted into urea through
In living beings ammonia is converted into urea through
A. ornithine cycle
B. citrulline cycle
C. fumarine cycle
D. arginine cycle
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Correct Answer - A
Ornithine combines with one molecule of `NH_(3)andCO_(2)` to produce citrulline. Citrulline combines with another molecule of `NH_(3)` to form arginine. Arginnine is broken down into urea and ornithine which repeats the cycle. This is called Ornithine cycle or urea cycle of Krebs-Henseleit cycle.
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