Protein Catabolism

Practice Questions

Biochemistry › Protein Catabolism

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1

The urea cycle is vital to the excretion of ammonia, a harmful byproduct of amino acid breakdown.

What enzyme in the urea cycle converts L-ornithine to L-citrulline?

2

The urea cycle is vital to the excretion of ammonia, a harmful byproduct of amino acid breakdown.

What enzyme in the urea cycle converts L-ornithine to L-citrulline?

3

The enzyme responsible for the reaction that produces ammonia during amino acid deamination is ___________.

4

The first step in the metabolism of most amino acids is the removal of the amino group by aminotransferases. What is the product of this reaction?

5

The first step in the metabolism of most amino acids is the removal of the amino group by aminotransferases. What is the product of this reaction?

6

The enzyme responsible for the reaction that produces ammonia during amino acid deamination is ___________.

7

What is the purpose of the urea cycle?

8

What is the purpose of the urea cycle?

9

Where does the urea cycle occur?

10

How is most of the ammonium waste removed from the body?

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