NADP+ is the used form of NADPH, and must be reduced with more electrons and a hydrogen. Please look at the picture first! Biology, 22.06.2019 02:00. PHOTOSYNTHESIS- Light dependent reaction. We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out. Thought I'd ask a question here rather than start a new thread: Yea I think reduced NADP is the same as NADPH. Help with A level aqa biology question please? What are the products of the light dependent reaction? In oxygenic photosynthesis, the first electron donor is water, creating oxygen as a waste product. Answer: (c) During light phase water is oxidized and the released hydrogen is accepted by NADP, hence is reduced to NADPH2. The final electron acceptor is NADP. NAD: NAD does not contain a phosphate group. Tell us a little about yourself to get started. The structure of the chloroplast is adapted to its function in photosynthesis. NAD + is an oxidizing agent used as a coenzyme in catabolic reactions in the cell including cellular respiration. NADP + is the common notation for the nonreduced form, and NADPH is the name once it has been reduced, or gained an electron. NADP is an important molecule used in cellular respiration (or making energy). D)Light is absorbed and transferred to reaction-center chlorophyll. Adenosine triphosphate, or ATP, is an organic compound that provides energy for many different metabolic processes. GCSE: Size Order of: Nucleus, Chromosomes etc... why is standard deviation a better measure of variation than the range? so someone PLZ HeLp​. The product of the reaction weighs 0.735 g. Calculate... Why is samudragupta known as the Napoleon Of India... Can u guys PLEASE answer question 20 ASAP. A level biology question - ammonium hydroxide, Last-minute A-level Biology revision: a crammer�s guide. NADPH is used in the reactions that convert the 3 carbon sugars produced by Rubisco into 5 carbon sugars that Rubisco uses to capture CO2 molecules. Have your say >>, Applying to uni? And millions of other answers 4U without ads. (Start typing, we will pick a forum for you), Taking a break or withdrawing from your course, Maths, science and technology academic help, Biology, biochemistry and other life sciences. nicotinamide-adenine dinucleotide (NAD) a coenzyme that is involved in many biochemical oxidation-reduction reactions. Water plays an important role in the chemical weathering of rock. NADP is part of the Light Independant reaction (Calvin Cycle) of photosynthesis. a level photosynthesis help Light independent reaction. The release of energy from the bonds of sugar, or the input of energy from the sun, allows the cells of these organisms to bind hydrogen with two electrons to NADP+, creating NADPH which can move this energy, electrons, and hydrogen to … By using this site, you consent to the use of cookies. Find your group chat here >>. Nicotinamide adenine dinucleotide phosphate, which is a strong reducing agent, or electron donor, as well as a coenzyme. As it acts hydrogen during the process of ATP synthesis as H+ ions are moved through atp synthase by chemiosmosis. The prokaryotic pathway is less wel… pyruvate actively pumped mitochondrial matrix. Why does a plant need cyclic photophosphorylation? 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. Photosynthesis - Photosynthesis - The pathway of electrons: The general features of a widely accepted mechanism for photoelectron transfer, in which two light reactions (light reaction I and light reaction II) occur during the transfer of electrons from water to carbon dioxide, were proposed by Robert Hill and Fay Bendall in 1960. NADPH is an energy-carrying molecule created during the first part of photosynthesis when chloroplasts convert light energy into chemical energy. When 0.530 g of Mg is heated strongly in a nitrogen (N2) atmosphere, a chemical reaction occurs. identify the locations where proton concentration builds up during photosynthesis and cellular respiration. C. It allows photons to be converted directly into glucose molecules. The role of NADPH is mostly anabolic reactions, where NADPH is needed as a reducing agent, the role of NADH is mostly in catabolic reactions, where NAD + is needed as a oxidizing agent. NADPH is the reduces from of NADP (Nicotinamide Adenine Dinucleotide Phosphate) which is a hydrogen carrier molecule. Here favorite Broadway musical is South Pacific. The protons combine with the co-enzyme NADP to become NADPH. During photosynthesis electrons are removed from water molecules by photosystem II, and... See full answer below. © Copyright The Student Room 2017 all rights reserved.