Carbamoyl phosphate synthesis is a hugely important reaction in biochemistry --

Question

Carbamoyl phosphate synthesis is a hugely important reaction in biochemistry -- for organisms that use the urea cycle to get rid of nitrogen (including humans, of course).

Which of the following is true about carbamoyl phosphate synthesis?

A. This synthesis provides an immediate (but temporary) solution to the problem that free ammonia (liberated in oxidative deamination) is highly toxic.

B. 2 ATP are consumed in synthesis of carbamoyl phosphate, thus driving the reaction in the direction of products.

C. CO2 (in the form of bicarbonate) is one of the compounds from which carbamoyl phosphate is synthesized.

D. The phosphate in carbamoyl phosphate comes from an ATP molecule.

E. All of the above are true.

Explanation / Answer

Carbamoyl phosphate synthesis is a hugely important reaction in biochemistry -- for organisms that use the urea cycle to get rid of nitrogen (including humans, of course). Among the given statements the following is true about carbamoyl phosphate synthesis,

E. All of the above are true

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