#'''Synthesis Reactions''': Acetyl-CoA is used to form succinyl-CoA for synthesis of the porphyrin ring in [[Erythrocytes#Function|haemoglobin]]; CoA involved in the synthesis of acetylcholine, ketone bodies, fatty acids, cholesterol, and [[Vitamin D (Cholecalciferol) - Nutrition|vitamin D]]<ref name="Silber"/><ref name="NRC"/>. | #'''Synthesis Reactions''': Acetyl-CoA is used to form succinyl-CoA for synthesis of the porphyrin ring in [[Erythrocytes#Function|haemoglobin]]; CoA involved in the synthesis of acetylcholine, ketone bodies, fatty acids, cholesterol, and [[Vitamin D (Cholecalciferol) - Nutrition|vitamin D]]<ref name="Silber"/><ref name="NRC"/>. |