B oxidation of water, reduction of NADP +, formation of ATP. In the case of light intensity, photosynthesis rate is higher in red or blue light and very low in green light. A reduction of oxygen, oxidation of NADPH, formation of ATP. How Light-Dependent Reactions Work. Then, in the "Order" column, determine the order in which your sele events occur, from 1 to 6. Photosynthesis Problem Set 1 Problem 6: Events during light reactions What three events occur during the light reactions of photosynthesis? Namely, the higher the light intensity, temperature, carbon dioxide and chlorophyll concentration, the faster the rate at which photosynthesis occurs. But there is an optimum rate. In the thylakoid membrane. Place the following events in the correct order in which they occur during the first electron transport chain of the light reactions, between photosystem 2 and photosystem 1. This pathway occurs in the thylakoid membranes and requires participation of two light-gathering units: photosystem I (PS I) and photosystem II (PS II). The second part, which uses the chemical energy created by the first part to produce plant carbohydrates for plant food, is made up of light-independent reactions. The light dependent reactions produce oxygen gas and convert _____ and _____ into the energy carriers ATP and NADPH. A photosystem is a photosynthetic unit comprised of a pigment complex and electron acceptor; solar energy is absorbed and high-energy electrons are generated. 3. The protein complexes and the pigment molecules help in the production of NADPH and ATP. Light-dependent reactions are also called light reactions and occur during the day time. D fixation of carbon dioxide, release of oxygen, synthesis of … Contributors and Attributions; The light reactions, also known as photolysis reactions, convert energy from the sun into chemical energy in the form of NADPH and ATP.These reactions must take place in the light and in chloroplasts of plants. Page ID 483; Table of contents. ... Where do light reactions occur in the chloroplasts? The electron transfers of the light reactions provide the energy for the synthesis of two compounds vital to the dark reactions: NADPH and ATP. Start with the first event … Photosynthesis takes place in two stages, namely light-dependent reactions and light-independent reactions. To complete this table, first select the true statement (from possible statements) for each row in the "Description of Event" column. 2. 1. The light-independent reactions are also called the Calvin cycle, after chemist Melvin C. Calvin who won the Nobel prize in chemistry in 1961 after identifying the process. Light reaction is the first stage of photosynthesis process in which solar energy is converted into chemical energy in the form of ATP and NADPH. The most common and abundant pigment is chlorophyll a. Light-independent reaction is also called the dark reaction or the Calvin cycle. In the first part of photosynthesis, the light-dependent reaction, pigment molecules absorb energy from sunlight. The first process in the light-dependent reactions of photosynthesis is. The process of light reaction is given below- A photon strikes photosystem II to initiate photosynthesis. The following table summarizes the key events of the light-dependent reactions. The previous section explained how noncyclic electron flow results in the reduction of NADP + to NADPH. 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