AP BIOLOGY

Detailed explanation-1: -NADP is reduced in the light reaction of photosythesis. The reduced form of nictinamide enters into the process of light independent Calvin cycle in the matrix. It reduced the carbondioxide into the energy rich carbohydrate. During this event it is oxidised.

Detailed explanation-2: -photosynthetic NADP+ reduction The light reactions of photosynthesis use energy from photons to generate high-energy electrons. These electrons are used directly to reduce NADP+ to NADPH. NADPH is a relatively stable molecule and can pass on its hydrogen atom to other molecules in chemical reactions.

Detailed explanation-3: -NAD and NADP uses NADP is the reducing agent produced by the light reactions of photosynthesis and is consumed in the Calvin cycle of photosynthesis and used in many other anabolic reactions in both plants and animals.

Detailed explanation-4: -The net effect of these steps is to convert light energy into chemical energy in the form of ATP and NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle.

Detailed explanation-5: -After a photon hits the photosystem II (PSII) reaction center, energy from sunlight is used to extract electrons from water. The electrons travel through the chloroplast electron transport chain to photosystem I (PSI), which reduces NADP+ to NADPH (Figure 3).