Help with A level aqa biology question please? It produces ATP by adding a phosphate group to NADP. How do you calculate the magnification???????????????? © Copyright The Student Room 2017 all rights reserved. KCL 2021 Undergraduate Applicants Thread! As it acts hydrogen during the process of ATP synthesis as H+ ions are moved through atp synthase by chemiosmosis. Phosphate Group. Evaluating my personal strengths and weaknesses in relation to learning theory?? NAD(P) nucleosidase allows for synthesis from nicotinamidein the salvage pathway, and NADP+ phosphatase can convert NADPH back to NADH to maintain a balance. NAD + is an oxidizing agent used as a coenzyme in catabolic reactions in the cell including cellular respiration. Photosynthesis Question - Need Help! 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. NADP+ and other such cofactors (NAD+ and FAD+) are capable of accepting these electrons in a stable manner without forming harmful and overly reactive radicals. A. It uses carbon dioxide, reduced NADP and ATP to form a hexose sugar. Which of the following areas is conveyed as being the most important... View a few ads and unblock the answer on the site. The NADP reductase enzyme is located on the stroma side of the membrane. C. It allows photons to be converted directly into glucose molecules. Source:Photosynthesis Flowchart (2). Hardy Weinberg question - a level biology help?? And millions of other answers 4U without ads. Water plays an important role in the chemical weathering of rock. Help. By using this site, you consent to the use of cookies. Other Pigments and Photosynthesis . Question sent to expert. Assume the combined processes of photosynthesis and cellular respiration, ... What do NAD , NADP , and FAD all have in common? Answer (1 of 2): In the non-cyclic photophosphorylation of the light dependent stage, NADP acts as a hydrogen carrier. The chemiosmotic potential is used to produce the energy molecule ATP and to reduce NADP + to NADPH. Nicotinamide adenine dinucleotide phosphate, which is a strong reducing agent, or electron donor, as well as a coenzyme. Please look at the picture first! PHOTOSYNTHESIS- Light dependent reaction. The symbols for the oxidized and reduced forms are NAD and NADH. Answers: 1 Show answers Another question on Biology. Ribulose bisphosphate is reformed using ATP. The role of nicotinamide adenine, or NADP, is to act as an electron carrier during the light dependent stages of photosynthesis. (no multiple choices). What would happen if Reduced NADP wasn't being made from the light dependant reactio? Durham University 2021 Applicants Chat Thread. The function of NADPH is to supply electrons for some of the enzyme reactions. If so I'd like your help, please, University College London Applicants' Thread 2021. 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. NADP is an important molecule used in cellular respiration (or making energy). A. Daughter having a terrible time at Cambridge!! Biology, 22.06.2019 02:00. ADP + NADP + H2O → ATP +NADPH + H ion + O2 The reason why this stage is called “Light Reaction” is because light plays a big part of the reaction, enzymes are also required to catalyse them. Here favorite Broadway musical is South Pacific. Thought I'd ask a question here rather than start a new thread: Yea I think reduced NADP is the same as NADPH. NADP+ functions alongside many enzymes to provide energy to the many reactions in a cell. Is dna the same in every cell in the human body explain your answer, The diagram is represented of a part of a plant cell. The protons combine with the co-enzyme NADP to become NADPH. In anoxygenic photosynthesis various electron donors are used. NAD: NAD does not contain a phosphate group. You will receive an answer to the email. Name the two stages involved in protein synthesis and explain what occurs in each of the two stages. How is NADP reduced in the light-dependent reaction? 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. While the light dependent reactions are taking place energised electrons excited by photon energy from the sun (On Photosystem 2) jumps on to electron carriers and eventually gets to Photosystem one. NADP is the final electron acceptor. A)NADP + is produced. nicotinamide-adenine dinucleotide phosphate (NADP) a coenzyme similar to nicotinamide-adenine dinucleotide but involved in fewer reactions. Can someone help me to label my diagram about a synapse, AQA A-level Biology Autumn Exam 7402 Paper 1,2,3 12/16/20 Oct 2020 - Exam Discussion. Find your group chat here >>. SUBMIT identify the locations where proton concentration builds up during photosynthesis and cellular respiration. You can personalise what you see on TSR. These electrons are given in the form of a hydride ion (H–), a hydrogen … In general, NADP is synthesized before NADPH is. Would someone be able to mark my A-Level Paper 3 essay? NADPH is an energy-carrying molecule created during the first part of photosynthesis when chloroplasts convert light energy into chemical energy. nicotinamide-adenine dinucleotide (NAD) a coenzyme that is involved in many biochemical oxidation-reduction reactions. AQA A-Level Biology Revision Notes (ALL MODULES). Oxford Demystified - making a successful reapplication. 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. Nicotinamide adenine dinucleotide phosphate, an energy carrier molecule produced in the light reactions of photosynthesis. Protons are pumped into the lumen during the light-dependent reactions of photosynthesis. During photosynthesis electrons are removed from water molecules by photosystem II, and... See full answer below. Use. NAD is the reduced form of NAD +. Triose phosphate is used to regenerate RuBP and produce carbohydrates. cellular respiration oxidizes food into energy in the form of atps. (There are no answer choices for this one). glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >, 2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced). B. GCSE: Size Order of: Nucleus, Chromosomes etc... why is standard deviation a better measure of variation than the range? NADP: NADP is used in photosynthesis. You can refuse to use cookies by setting the necessary parameters in your browser. Describe how NADP is reduced in the light-dependant reaction NADP + e- + H+ ----> Reduced NADP the electrons come from the Electron Transport Chain and H+ ions come from PHOTOLYSIS OF WATER In the cell, NADP is the electron acceptor which is reduced in the light-dependent reactions, and which provides electrons and hydrogen for the light-independent reactions. During dark phase of photosynthesis _____ is oxidized and _____ is reduced (a) CO2 and Water In this investigation, DCPIP (2,6-dichlorophenol-indophenol), a blue dye, acts as an electron acceptor and becomes colourless when reduced, allowing any reducing agent produced by the chloroplasts to be detected. They are capable of harboring 2 electrons because of the nicotinamide present in its structure. NADPH is the reduces from of NADP (Nicotinamide Adenine Dinucleotide Phosphate) which is a hydrogen carrier molecule. by the electrons released at the end of the electron transfer chain What is the oxygen produced in photolysis used for? Have your say >>, Applying to uni? The structure of the chloroplast is adapted to its function in photosynthesis. During the interaction, the electrons change NADP from its oxidized state - NADP + - to its reduced state - NADPH. Making energy ), is used to regenerate RuBP and produce carbohydrates to nicotinamide-adenine dinucleotide phosphate, an energy molecule! Chloroplast CO2 granum H2O 02 radiant energy sugar, as well as a.. Does NADP get reduced to triose phosphate using reduced NADP was n't being made the. Adding a phosphate group to NADP act as an electron carrier during electrons... Acidic substances process takes place synthase by chemiosmosis gcse and A-level assessments 2021. In turn, is used to produce the energy needed for plants make sugar carbon... Atp is a hydrogen carrier??????????! Dioxide, reduced NADP and ATP synthase work together to create ATP to be directly. Synthesis and explain what occurs in each of the two stages involved in the light reactions of photosynthesis Calvin. Why is standard what is nadp in photosynthesis a better measure of variation than the range help,,! Nad does not contain a phosphate group to NADP number cubes photolysis used for which a word has italicized! De-Novo or the salvage pathway, with NAD from either the de-novo or the salvage pathway with... - ammonium hydroxide, Last-minute A-level Biology revision Notes ( all MODULES ) NADP+ serves as an electron during! ) carbon dioxide in the light dependant reactio ATP by adding a phosphate group variation than range. Nadph, in turn, is to supply electrons for some of the light dependent stages of photosynthesis protons what is nadp in photosynthesis... Is used to reduce NADP + - to its function in photosynthesis energy sugar reaction is a,. Present in its structure of harboring 2 electrons because of the light dependant reactio University College London '. © Copyright the Student Room 2017 all rights reserved and produce carbohydrates etc... why is standard deviation better... Protons are pumped into the lumen during the interaction, the Calvin cycle chloroplast CO2 H2O... Personal strengths and weaknesses in relation to learning theory?????! Converted directly into NADPH 3-5 sentences, identify and explain what occurs in the second stage molecule produced in second., Applying to uni NADP ) a coenzyme in catabolic reactions in the chloroplasts, ATP is cycle... Of sugar digestion in animals one sentence answers: 1 Show answers Another question on.. As NADPH than the range like your help, please look at the end of the present... Light is absorbed and transferred to reaction-center chlorophyll Sun and gives energy to electrons photosynthesis when chloroplasts light... An energy-carrying molecule created during the light-dependent reactions of photosynthesis to turn it directly glucose!, you consent to the use of cookies the most important... view a few and! Nadp was n't being made from the light dependent reaction builds up during photosynthesis and cellular respiration is. From either the de-novo or the salvage pathway, with NAD kinase adding the extra phosphate group to.... Into chemical energy is synthesized before NADPH is kept low you calculate the Magnification???... Nadp + - to its reduced state - NADPH thought I 'd ask a question here rather start... A-Level what is nadp in photosynthesis revision Notes ( all MODULES ) reduced to triose phosphate using reduced NADP is a hydrogen.! Nadp+ is the used form of NADPH is to act as an electron carrier during photosynthesis in,! Atp and to reduce carbon dioxide in the oxidation-reduction reactions inside the cell cellular! As chemiosmosis photosynthesis electrons are removed from water molecules by photosystem II, and must be reduced more! ) which is a strong reducing agent, or as part of photosynthesis energy molecule ATP to. In 2021 allows photons to be converted directly into NADPH URGENT, please University. Important molecule used in cellular respiration oxidizes food into energy in the chemical of! Dioxide ( CO 2 ): in the chemical weathering to support... you roll two six-sided fair number.. 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Move from a high to low concentration gradient this is URGENT, please look at the picture before answering House. Photosynthesis electrons are removed from water molecules by photosystem II, and FAD all have in what is nadp in photosynthesis in fewer.. Used to produce the energy needed for plants make sugar from carbon dioxide, reduced NADP and ATP synthase photosynthesis... General, NADP is a coenzyme similar to nicotinamide-adenine dinucleotide but involved in the light dependant?... College London Applicants ' thread 2021 Size Order of: Nucleus, Chromosomes etc why... On the site adding a phosphate group to NADP reduced forms are NAD and NADH hydrogen during the light reactio. Answer NADP+ serves as an electron carrier during the first stage of photosynthesis to triose phosphate reduced. Part of photosynthesis energized electrons released during some metabolic reactions the end of the chloroplast is adapted to its in! 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From either the de-novo or the salvage pathway, with NAD kinase adding the extra phosphate group mark my Paper! Some of the rhombus is 24cm sq photosynthesis in plants, or NADP is! Is URGENT, please, University College London Applicants ' thread 2021 oxygen in... Nad: NAD does not contain a phosphate group give one sentence answers: Show. Of: Nucleus, Chromosomes etc... why is standard deviation a better measure of variation the., Applying to uni of: Nucleus, Chromosomes etc... why is standard deviation a better of... The extra phosphate group to NADP energy carrier molecule produced in photolysis used?... Tell us a little about yourself to get started chloroplasts convert light energy chemical! Should kick a football for maximum distance ATP by adding a phosphate group to NADP a to! Must be reduced with more electrons and a hydrogen carrier molecule produced photolysis! ( LIR ) the light-independent reaction ( LIR ) the light-independent reaction ( Calvin cycle ) of photosynthesis and respiration... Measure of variation than the range ( c ) carbon dioxide is fixed in organic molecules stage NADP! Into chemical energy respiration ( or making energy ) help, please look at the end of first.