| A | B |
| alchoholic fermentation | pyruvic acid is converted to ethyl alcohol |
| anaerobic pathway | operates in the absence of oxygen |
| cellular respiration | process in which cells make ATP |
| fermentation | converts glucose into another molecule in absence of oxygen |
| glycolysis | glucose is oxidized into pyruvic acid |
| kilocalorie | unit of engergy |
| lactic acid fermentation | pyruvic acid is converted to lactic acid |
| NAD+ | an organic molecule that accepts electrons nicotinamide adenine dinucleotide |
| pyruvic acid | end product of glycolysis |
| actyl coenzyme A | compound that enters the 1st stage of krebs cycle |
| aerobic respiration | cells make ATP in presence of oxygen |
| citric acid | 6 carbon compound formed in krebs cycle |
| electron transport chain | molecules in mitochondrial membrane that uses energy to build proton gradient |
| FAD | flavin adenine dinucleotide |
| krebs cycle | reactions that release CO2 and forms ATP |
| miotchondrial matrix | space in inner membrane of mitochondria |
| oxaloacetic acid | combines with acetly CoA in krebs cycle to make citric acid |
| Crisitae | inner membrane of mitochondria |
| Mitochondria | organelle where cell respiation occurs in presence of OxCgen |
| Cytoplasm | Site of glycolysis |