Cellular respiration involves the oxidation of complex organic molecules. Fermentation occurs under anaerobic conditions, and the fate of pyruvate depends on the organism. Water is formed when oxygen accepts electrons. The entire process of cellular respiration does not occur solely in mitochondria; glycolysis takes place in the cytoplasm.
Statements A, C, D, and E are correct.
Recognition sequences of restriction enzymes are generally ___________ nucleotides long.