**During fasting, the citric acid cycle turns slowly as oxaloacetate is removed to make glucose. Therefore, acetyl CoA (produced from lipolyis and protein catabolism) builds up and is converted to ketone bodies. [[Liver - degenerative#Ketosis|Ketosis]] may occur if the situation is prolonged.
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**During fasting, the citric acid cycle turns slowly as oxaloacetate is removed to make glucose. Therefore, acetyl CoA (produced from lipolyis and protein catabolism) builds up and is converted to ketone bodies. [[Liver Degenerative - Pathology#Ketosis|Ketosis]] may occur if the situation is prolonged.