The majority of blood glucose comes from liver glycogenolysis, but what if liver

Question

The majority of blood glucose comes from liver glycogenolysis, but what if liver glycogenolysis cannot occur quickly enough to keep up with the demand for blood glucose (when exercising vigorously), or what if liver glycogen becomes depleted? How else can glucose be supplied for export into the blood?

A. Glucogenic amino acids are deaminated and the carbon skeletons used to synthesize glucose.

B. The exclusively ketogenic amino acids (leucine and lysine) are deaminated and the carbon skeletons used to synthesize glucose.

C. Even-numbered fatty acids are catabolized and the carbon is used for gluconeogenesis in the liver.

D. Ketone bodies are produced by adipocytes and converted into glucose by the liver.

Explanation / Answer

option C.

When required amount is glucose is not available or glycogen becomes depleted the free fatty acids FFA comes into action, they get involved in gluconeogenesis process and break down to simpler units.

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