14. The coenzyme involved in the oxidative deamination of glutamate is thiamine diphosphate pyridoxal phosphate FAD NAD+ NADP+

The correct answer is pyridoxal phosphate.Pyridoxal phosphate (PLP) is a coenzyme that plays a crucial role in the oxidative deamination of glutamate. This process involves the removal of an amino group from glutamate, resulting in the formation of alpha-ketoglutarate and ammonia.PLP acts as a cofactor for various enzymes involved in amino acid metabolism, including those responsible for oxidative deamination. By binding to the active site of these enzymes, PLP facilitates the transfer of the amino group from the substrate (glutamate) to a acceptor molecule, such as ammonia.The other options provided are not directly involved in the oxidative deamination of glutamate:- Thiamine diphosphate is a coenzyme for enzymes involved in carbohydrate metabolism, such as pyruvate dehydrogenase.- FAD (flavin adenine dinucleotide) is a coenzyme for various oxidative reactions, including those in the electron transport chain.- NAD+ (nicotinamide adenine dinucleotide) and NADP+ (nicotinamide adenine dinucleotide phosphate) are coenzymes involved in redox reactions, such as glycolysis and the citric acid cycle.Therefore, the correct answer is pyridoxal phosphate.