has part has part characteristic of has modifier ketone body biosynthetic process Abnormality of metabolism/homeostasis Ketosis Ketone bodies are formed from acetyl-CoA in the liver by ketogenesis when the liver glycogen stores are depleted. Ketone bodies are acidic, and ketoacidosis ensues if the compensatory mechanisms are overloaded. The predominant ketones being acetoacetate, acetone, and beta-hydroxybutyrate. abnormal increased rate