All of the following statements concerning the degradation of amino acids are tr

Question

All of the following statements concerning the degradation of amino acids are true EXCEPT:

A. Arginine, proline, histidine, and glutamine all lead to the production of a-ketoglutarate via glutamate.

B. Valine, isoleucine, and methionine all lead to the production of succinyl C0A, via propionyl CoA and methylmalonyl CoA.

C. Phenylalanine leads to the production of fumarate and acetoacetyl CoA via tyrosine and homogentisic acid.

D. Asparagine and aspartic acid lead to the production of oxaloacetate.

E. The carbons of glutamine enter the citric acid cycle as oxaloacetate

Explanation / Answer

D. Asparagine and aspartic acid lead to the production of oxaloacetate.--------------answer

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explanation

A ) a -amino ggroup ,

B) a -carboxylic acid group ,

and

C) a side chain CHCOOH

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