Multiple choice

The final product of β-oxidation of a 16-carbon fatty acid is ________.

The metabolism of fatty acids occur by α and β-oxidation.

  1. 2 molecules of acetyl CoA

  2. 1 acetyl CoA and 14-carbon fatty acyl CoA

  3. Two acyl CoA

  4. 1 acetyl CoA

  5. 1 acyl CoA
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A Correct answer
Explanation

In each β-oxidation cycle, 2 carbons are lessoned from a fatty acyl CoA for the production of 1 molecule of acetyl CoA. In this way a 16-carbon fatty acid is oxidized by reduction of 2 carbon atoms at each cycle and finally the last fatty acyl CoA is none other than an acetyl CoA.

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