Proteins acts as respiratory substrates then they would be degraded by proteases and the individual amino acids (after deamination) depending on their structure would enter the pathway at some stage.
A
As pyruvate
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B
As acetyl CoA
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C
Any of the above
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D
Within the Krebs' cycle
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Solution
The correct option is C Any of the above Entry of amino acids in Krebs’ cycle
A chain/polymer of amino acids make proteins. Amino acids play a critical role in our body such as synthesis of hormones.
Our body needs 20 different amino acids to grow and function properly.
Proteins are generally made up of 20 different amino acids. Proteins are degraded to amino acids by proteases.
Depending on their structure, amino acids would enter the pathway at some stage within the Krebs’ cycle or even as pyruvate or acetyl CoA.