A) Acetoacetic acid, acetone and beta-hydroxybutyric acid
B) Nicotinic acid, folic acid and ascorbic acid
C) Acetone, beta-hydroxybutyryl Co-A and acetoacetic acid
D) Acetic acid, acetone and beta-hydroxybutyric acid
Correct Answer: A
Solution :
The acetyl Co-A produced by mitochondrial P-oxidation of fatty acids enters the Krebs cycle to produce energy, but that is not the only fate of acetyl Co-A. In liver mitochondria, some acetyl Co-A is converted to acetoacetate, \[\beta -\]hydroxy butyrate and acetone, collective called ketone bodies, which are transported to other tissues (e.g., brain, muscle or heart) where they are converted back to acetyl Co-A to serve as an energy source.
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