Excretory Products And Their Elimination Ques 2
2. In ureotelic animals, urea is formed by the
$[1997,2000]$
(a) Arginine cycle
(b) Cori’s cycle
(c) Ornithine cycle
(d) EM pathway
Show Answer
Answer : c
Hints & Solutions
(c) In ureotelic animals urea is formed by Ornithine cycle. Urea is formed in the liver where two molecules of ammonia combine with one molecule of $CO_2$ in presence of Ornithine, citrulline, arginine and enzyme arginase. This is called Ornithine cycle.
BETA
