Since the amount of ATP produced from glucose by glycolysis is quite small relative to oxidative phosphorylation energy charge declines rapidly in most. Two molecules of acetyl CoA are produced in glycolysis so the total number of molecules produced in the citric acid cycle is doubled 2 ATP 6 NADH 2 FADH2 4 CO2 and 6 H. Pin On Biochemistry Cycles How many ATP is produced in glycolysis. . Most cells prefer glucose although there are exceptions such as acetic acid bacteria that prefer ethanol. Fatty acid synthesis and pentose sugars. Invades a host cell and takes over the cell causing it to make copies of the viral DNARNA. In aerobic respiration pyruvate produced by glycolysis is converted into additional ATP molecules in the mitochondria via the Krebs Cycle. For example when an animal breaks down glycogen glucose 6-phosphate is produced and can then enter the glycolysis pathway at the second step. Pyruvate is continually pr