How many ammonia and CO2 are respectively used
in one urea cycle?
B1 and 1
1
(3) 2 and 2
(2) 2 and 1
(4) 3 and 2
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The urea cycle helps to excrete two harmful gases, ammonia and carbon dioxide, from the body. The steps of this cycle take place in the mitochondria and cytoplasm. The first step is the condensation of CO2 and NH3 to carbamoyl phosphate by carbamoyl synthetase 1, utilizing 2ATP in mitochondria.
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