The complete photosynthesis process relies on a coordinated functioning of both the light-dependent and dark reactions to produce carbohydrates from light, water and carbon dioxide. The Calvin cycle uses the energy from short-lived electronically excited carriers to convert carbon dioxide and water into organic compounds [4] that can be used by the organism (and by animals that feed on it). These involve the reduction of carbon dioxide using reduced NADP and ATP produced in the light-dependent reactions of photosynthesis. Products of these reactions are adenosine triphosphate and reduced nicotinamide adenine dinucleotide phosphate (NADPH). It's actually occurring simultaneously with the light reactions. See also:Calvin cycle In photosynthesis, a light-dependent reaction uses light energy from the sun to split water which has been taken in by the organism.Water, when split, gives oxygen, hydrogen, and electrons.These electrons move through structures in chloroplasts and, by chemiosmosis, make ATP.. Log in for more information. ask related question comment . However, vice versa is not true. 1 0. Here is an explanation in technical terms: To begin with water is taken … Light-Dependent Reactions. The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem. The diagram above - based on the Z-scheme - suggests the amount of energy in each compound and also partly explains their location in the membranes as energy, electrons, and H+ are passed between them, rather like a pinball game. Ask Question + 100. Water and light. The light-dependent reactions can be summarized as follows: 12 H 2 O + 12 NADP + + 18 ADP + 18 P i + light and chlorophyll yields . This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules. The plant is producing oxygen. For example, plants use sunlight to prepare their food through photosynthesis , which is discussed in this article. In this process light energy is converted to chemical energy in the form of energy reserving molecules ATP and NADPH. But let's focus first on the light-dependent reactions. This process will make oxygen and hydrogen ions. The products of the light-dependent reactions, ATP and NADPH, are both required for the endergonic light-independent reactions. Light provides the energy needed to break apart water molecule. The reactions are known as the Calvin cycle, and they take place in the stroma of the chloroplast. Light-Dependent Reactions. It takes place in chloroplast, on the thylakoid membrane. The pigment, chlorophyll, which is required for the process is present on the membrane of these thylakoids and this is where the light reaction occurs. These reactions occur in the thylakoids of the chloroplasts. Get your answers by asking now. Formerly Peter S. Lv 7. Select all that apply. 7 years ago. B. Pigments in the photocenter absorb light. Which of them is an inference? answers In light-dependent reactions, the energy from sunlight is absorbed by chlorophyll and converted into chemical energy in the form of electron carrier molecules like ATP and NADPH. C.ATP synthase allows H+ ions to pass througb the thylakoid membrane. The light dependent reaction uses water and light. When a chlorophyll a molecule within the reaction center of PSII absorbs a photon, the electron in this molecule attains a … The products of the light-dependent reaction of photosynthesis, ATP and reduced NADP are used to reduce carbon dioxide in the second stage of photosynthesis. Median response time is 34 minutes and may be longer for new subjects. The products of the light-dependent reactions, ATP and NADPH, are both required for the endergonic light-independent reactions. The photosystem is the arrangement of pigments, including chlorophyll within thylakoids. Light-independent reaction is dependent on the products of the light-dependent reaction. In light-dependent reaction, the absorbed energy is converted into chemical energy in the form of ATP whereas in case of light-independent reaction, glucose molecule is produced by utilizing environmental CO 2 and the products of light-dependent reactions- ATP and NADPH. Answer Save. A.oxygen gas and glucose B. ATP, NADPH, and oxygen gas*** C.ATP, carbon dioxide,oxygen gas, and NADPH Most photosynthetic organisms capture visible light, although there are some that use infrared light. The light-dependent reactions of photosynthesis Pass the mouse pointer over this diagram for more information. The end products of the light dependent reaction are ATP, NADPH, O 2 and water. What are the substrates and products of the light-dependent reaction? ← Prev Question Next Question → Related questions 1 answer. Light dependent reactions. The hydrogen is converted to NADPH, which is then used in the light-independent reactions. In photosynthesis, a light-independent reaction takes place in plant chloroplasts.In this process, sugars are made from carbon dioxide. In the first stage, light-dependent reactions capture the energy of light and use it to make the energy-storage and transport molecules ATP and NADPH. It is also known as ‘photolysis,’ meaning occurring in the presence of light. The reactants are replenished by the light-dependent reactions from the Calvin cycle products ADP and NADP +. The initial important set of processes in photosynthesis, in which light energy is basically transformed into chemical energy as ATP and NADPH, takes place across the chloroplast thylakoid membranes, between the chloroplast stroma and the thylakoid space. The protein complexes and the pigment molecules help in the production of NADPH and ATP. Reason They are dependent on light for the excitation of pigments. The reaction is also called the Calvin cycle. The end products of the light-dependent reactions that need the presence of light to occur are ATP and NADPH. The light reaction of light dependent reaction occurs in the chloroplast of the mesophyll cells of the leaves. I don't like using the word dark reaction because it actually occurs while the sun is outside. The products of the light-dependent reactions, ATP and NADPH, are both required for the endergonic light-independent reactions. A light-dependent reaction or light reaction is a chemical reaction that takes place in the presence of light. The answer to this question is ATP and NADPH. Jasmine and Marcus are at the park, and Jasmine makes the following statements. Added 7/24/2019 6:10:17 AM How Light-Dependent Reactions Work. These reactions occur in the thylakoids of the chloroplasts. The light-dependent reactions and then you have the light independent reactions. Light-Dependent Reactions of Photosynthesis. The exergonic light-dependent reactions of photosynthesis convert light energy into chemical energy, producing ATP and NADPH. This video shows lab video of an experiment and provides a brief summary of the process of photosynthesis. The process of photosynthesis is made up of light dependent reactions (the photo’ part) and sugar making or light independent reactions (the synthesis part). What are the products of the light-dependent reactions of photosynthesis? The light dependent reaction is the initial step of the process of photosynthesis, by which plants can store energy from sun light. The process, known as the Calvin cycle, uses products of the light-dependent reactions (ATP and NADPH) and various enzymes.Therefore, the light-independent reaction cannot happen without the light-dependent reaction. The light-independent reaction takes place in the stroma of the chloroplasts. ATP, NADPH, and O2. The light reaction is a light-dependent process which includes a series of events such as light absorption, hydrolysis, the release of oxygen, formation of ATP and NADPH. Photosynthesis occurs in two stages: light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH; and, the light-independent reactions use these products to … The products of light dependent reactions are ATP, oxygen and NADPH. 1. Explanation: hope it helps you . The light reaction of photosynthesis initiates only when it is supplied with light energy. The light-independent reactions can proceed once products (NADPH and ATP) of the light-dependent reactions are present in the chloroplast. Just as the name implies, light-dependent reactions require sunlight. Light, water, ADP, Pi, NADP+ - in. The end products of the light-dependent reactions that need the presence of light to occur are ATP and NADPH. The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plant cells, the light-dependent reactions occur in the chloroplast thylakoid membrane. The exergonic light-dependent reactions of photosynthesis convert light energy into chemical energy, producing ATP and NADPH. Which best lists the end products of the light-dependent reactions of photosynthesis? Discuss the products of the light-dependent reactions and the significance of these materials to the production of glucose: Student Answer: The light-dependent reactions are complex metabolic pathways in which charged particles (protons and electrons from water) are separated, producing an electro-chemical difference on two sides of a membrane. The first set of reactions of photosynthesis take place in the thylakoid, where chlorophyll and other pigments are located and is called light dependent reactions. Favorite Answer. The process of light reaction is given below- In PSII, energy from sunlight is used to split water, which releases two electrons, two hydrogen atoms, and one oxygen atom. *Response times vary by subject and question complexity. It just doesn't need the photons from the sun. Light dependent reactions is a set of biochemical processes that require light in order for photosynthesis to occur. D. ATP and NADPH are used to produce high energy sugar. In the light-dependent reactions, energy from sunlight is absorbed by chlorophyll and converted into stored chemical energy, in the form of the electron carrier molecule NADPH (nicotinamide adenine dinucleotide phosphate) and the energy currency molecule ATP (adenosine triphosphate). pls follow me and mark me as brainliest answered by Lifeeasy Authors. We answer the basic questions and break it down in an easy-to-understand format. O2, ATP, NADPH - out. The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. 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. Still have questions? The light-dependent reactions begin in photosystem II. The hydrogen ions are used to make ATP. *** What are the products of the light dependent reactions? What is the final electron acceptor in the light dependent reaction of photosynthesis? Relevance. 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