A short introduction. The reaction occurs in a series of oxidation and reduction reactions. The second set of reactions goes by a number of names--light independent reactions, dark reactions, or the Calvin cycle. ATP and NADPH are used in light-independent reactions to make glucose and other carbohydrates. The general principle of carbon fixation is that some cells under certain conditions can take inorganic carbon, CO 2 (also referred to as mineralized carbon), and reduce it to a usable cellular form. Light dependent Reactions Light independent Reactions Calvin Cycle Science is from BIOLOGY 123,124 at Northwestern University The thylakoid membrane absorbs photon energy of different wavelengths of light. anyar. Calvin cycle uses this short-lived electron carrier to produce organic sugars. A. Light- independent reaction B. Light-dependent reaction C. Carbon dioxide is made, not used - the answers to estudyassistant.com NADPH is a product of light-dependent reactions. Answer: 3 question When is carbon dioxide used during photosynthesis? Light Independent Reactions and Carbon Fixation. ATP and NADPH are used to … The light independent reactions of photosynthesis occur in/on the... thylakoids O grana inner membrane space O stroma The major goal of photosynthesis is to... * O produce oxygen for humans O maintain the Earth's surface temperature store light energy in chemical bonds of glucose transfer energy into ATP. 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 reaction captures the light energy to produce ATP and NADPH. In light-dependent reactions, the first stage of photosynthesis, the energy from light propels electrons into a high-energy state. The product from light-dependent reactions such as ATP and NADPH are involved in the light-independent reactions. Most of us know that green plants can take up CO 2 and produce O 2 in a process known as photosynthesis. b) The light-independent reactions … a) The light-independent reactions turn glucose, a sugar, into CO2 gas. Basically, this is where the chemical energy (ATP and electrons) generated in the light reactions is used to "glue" carbon atoms together to … Light Independent Reactions . a) light independent reactions b) light dependent reactions Light dependent reactions What is the importance of the light-independent reactions in terms of carbon flow in the biosphere? In photosynthesis, a light-independent reaction takes place in plant chloroplasts.In this process, sugars are made from carbon dioxide. Therefore, the light-independent reaction cannot happen without the light-dependent reaction. These light-dependent reactions fuel the second stage of photosynthesis which are the light-independent reactions. 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