List of the 21 Countries Bordering the Mediterranean Sea. Marina Grande Harbor in the City of Capri, an Italian island off the Sorrentine Peninsula on the south side of Gulf of Naples in the Mediterranean Sea. VisionsofAmerica/Joe Sohm/Getty Images.
NAD (Nicotinamide adenine dinucleotide). The cellular respiration processes of all living cells make use of the coenzyme Nicotinamide adenine dinucleotide (NAD). It plays a key role in energy metabolism by accepting and donating electrons.The low energy form NAD + shown at left is raised to the high energy form NADH.icotinamide adenine dinucleotide phosphate or NADPH is a reduced coenzyme that plays a key role in the synthesis of carbohydrates in photosynthetic organisms. It is the reduced form of NADP + and as such is a high energy molecule that helps drive the Calvin cycle.
Catalyzes reactions in the Calvin cycle, glucose synthesis. biosynthetic and energy-producing functions of NADP + and NAD + . NAD + and NADP + act as electron acceptors in oxidoreductase catalyzed reactions; NADH and NADPH act as electron donors. The transfer of hydrogen to NAD + is stereospecific, and dehydrogenases are now classified as H A side or H B side enzymes, according to the side of the NAD molecule they act on.