5 and 0. Letter C marks a column that consists of flattened oval structures. ) Which of the following sequences correctly represents the flow. -The light dependent reactions of photosynthesis occur within the thylakoid membranes inside the chloroplast. Where in eukaryotic cells does the Calvin cycle take place thylakoid membrane thylakoid space stroma granum. ) Which of the following sequences correctly represents the flow. Study with Quizlet and memorize flashcards containing terms like Where does the Calvin cycle occur, what are the reactants in the Calvin cycle, What are the products of the Calvin cycle and more. CO2 is reduced to sugars that can be used for growth. This enzyme catalyzes the reaction between three molecules of CO 2 and three molecules of RuBP (ribulose 1,5-bisphosphate) molecules. , The light reaction of photosynthesis begins. , What is produced in the electron transport system associated with photosystem II. b) the Calvin cycle alone. b) the Calvin cycle alone. through the stomata e. both the light reactions and the Calvin cycle. (During the light reactions of photosynthesis, water is oxidized; during the Calvin cycle, carbon is reduced. Calvin Cycle Formula. In stage 2, the organic molecule is reduced. The enzyme rubisco has more than one activity. Study with Quizlet and memorize flashcards containing terms like Equation for photosynthesis, Where does the Calvin cycle occur, The light reactions of photosynthesis use and produce . Study with Quizlet and memorize flashcards containing terms like From the following choices, identify those that are the inputs and outputs of the light reactions. Canada (French) Netherlands. , How many turns of the Calvin Cycle are needed to produce a molecule of PGAL How many molecules of ATP & NADPH are used in the. During which process is molecular oxygen produced in photosynthesis The light reactions by linear electron flow. Oxygen c. the calvin cycle does not occur. Study with Quizlet and memorize flashcards containing terms like what equations is photosynthesis, Where does the Calvin cycle occur, The light reactions of photosynthesis use and produce . The Calvin cycle has two parts. These energy-carrying molecules travel into the. During the first stage of photosynthesis (light-dependent stage), the plant collects solar power and converts it. The oxygen comes from . and more. ATP, CO2, NADPH, and H2O are all utilized in the LIR. splits water into 12 O2, H, and e-. 2) Ferrethioreductase (an antioxidant enzyme) is most active in light, and this reduces RUBISCO (requires NADPH from light rxns). Amino acids for protein synthesis. The mesophyll cells are surroded by air (gases o2 Co2 ect. Here is a look at. Figure Figure &92;(&92;PageIndex1&92;) Overview of the Calvin cycle. stage 2 is the conversion of some of the 3-phosphoglycerate into hexose. Not all labels will be used. Study with Quizlet and memorize flashcards containing terms like Which of these equations best summarizes photosynthesis C6H12O6 6 O2 6 CO2 12 H2O 6 CO2 6 H2O C6H12O6 6 O2 6 CO2 6 O2 C6H12O6 6 H2O, Where does the Calvin cycle occur, The light reactions of photosynthesis use and produce . c) the chloroplast, but are not part of photosynthesis. Test your knowledge of the structure and function of the chloroplast, the thylakoid membrane, the Calvin cycle, and the factors that affect photosynthesis. -Plants usually open their stomata at night. At the simplest level, photosynthesis takes place in two stagesthe light-dependent reactions and the light-independent reactions, the latter of which is also known as the Calvin Cycle. occurs in the stroma of the chloroplastat . Photo autotrophs. Study with Quizlet and memorize flashcards containing terms like Which of these equations best summarizes photosynthesis H2O 2 H 12 O2 2e- 6 CO2 6 H2O C6H12O6 6 O2 C6H12O6 6 O2 6 CO2 12 H2O 6 CO2 6 O2 C6H12O6 6 H2O C6H12O6 6 O2 6 CO2 6 H2O Energy, Where does the Calvin cycle occur,. plants to use the energy of light to make their own food. 14 terms. Study with Quizlet and memorize flashcards containing terms like Why is this cycle called "light-independent", What is needed from the light-dependent reactions for the Calvin Cycle to occur, Where does the Calvin Cycle take place and more. 1) pH The more alkaline the stroma, the faster the CC works. NAPH production is not a part of photosynthesis. It can proceed in the dark. Photo autotrophs. The light reactions of photosynthesis take place in the membrane, while the Calvin cycle occurs in the of the. Reduction 3. 3 carbon dioxide molecules enter the Calvin cycle and react with 3 molecules of ribulose biphosphate (ruBP) Describe the reduction phase of. Figure 10. Recall that in the electron transfer chain, excited electrons lose energy to NADPH and ATP. -Light dependent reaction have two photosystems. release of oxygen c. This means that H2O is during the light reactions and CO2 is during the Calvin cycle. and more. the wavelengths that are reflected or transmitted by the pigmented object. 6 CO2 18 ATP 12 NADPH H 18 ADP 18P 12 NADP 1 Glucose. But is the inverse true as well Do the light reactions depend on the Calvin cycle The rate of O2 production would decrease because the rate of G3P production by the Calvin cycle would decrease. The ATP and NADPH from the light-dependent reactions are used in the Calvin cycle. It requires an absence of light. The green color of plants is due primarily to the absorptive properties of the pigment found in the chloroplasts. release of oxygen c. H2O is during the light reactions and CO2 is during the Calvin cycle. 30 terms. Explain how C4 plants work. Study with Quizlet and memorize flashcards containing terms like where does the Calvin cycle occur, the Calvin cycle is the "" in photosynthesis, what is used to drive the process of the Calvin cycle and more. how many turns of the calvin cycle would be needed to make 1 molecule of glucose if there was enough ATP 3. This is CO2 or Carbon Dioxide. State the 3-carbon product of the Calvin cycle and relate it to the production of glucose. Where does the Calvin cycle occurchloroplast inner membrane thylakoid membrane thylakoid lumen chloroplast stroma chloroplast outer membrane Click the card to flip chloroplast stroma Click the card to flip 1 10 Flashcards Learn Test Match Q-Chat Created by jessicasanchez975 Students also viewed Schliep Greek Theater 23 terms azariarose10. , The light reaction of photosynthesis begins when pigments in the chloroplast absorb light energy (photons). Fresh features from the 1 AI-enhanced learning platform. Study with Quizlet and memorize flashcards containing terms like Which of these equations best summarizes photosynthesis, Where does the Calvin cycle occur, The light reactions of photosynthesis use and produce . Cellular respiration is unique to heterotrophs. This enzyme catalyzes the reaction between three molecules of CO 2 and three molecules of RuBP (ribulose 1,5-bisphosphate) molecules. Does the Calvin cycle happen. In C4 and CAM plants carbon dioxide is fixed in the of mesophyll cells. C4 plant information. Molecules that are required for the Calvin cycle include Check all that apply. plants usually close their stomata at night. alternation of generations, B. 3. The sleep cycle includes Sleep normally occurs in several stages. Study with Quizlet and memorize flashcards containing terms like Why is the Calvin cycle considered a dark reaction A. This means that H2O is during the light reactions and CO2 is during the Calvin cycle. The inputs are carbon dioxide from the air and the ATP and NADPH produced by the light reactions. 1st step of the calvin cycle Carbon Fixation C02 from atmosphere is attached to RuBp, then attached to rubisco. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules. light reactions alone. Photosynthesis occurs in what two places in C4 plants. H2O 2 H 12 O2 2e- C. In stage 3, RuBP, the molecule that starts the cycle, is regenerated so that the cycle can continue. Part B - Quantifying the inputs of ATP and NADPH and output of Pi. Later, plants and animals can turn these three-carbon compounds into amino acids, nucleotides, and more complex sugars such as starches. 3) The Calvin cycle oxidizes the light-reactions product NADPH to NADP. water, carbon dioxide, and sunlight are the raw materials and oxygen, ATP, and NADPH are the products. Study with Quizlet and memorize flashcards containing terms like In photosynthesis, plants use carbon from to make sugar and other organic molecules. 3) The Calvin cycle oxidizes the light-reactions product NADPH to NADP. In the first stage of the Calvin cycle, the light-independent reactions are initiated and carbon dioxide is fixed. Carbon fixation Release of oxygen Oxidation of NADPH Regeneration of the CO2 acceptor Consumption of ATP Release of oxygen We have an expert-written solution to this problem The Calvin cycle occurs in the . C) glycolysis. 14 terms. splits water into 12 O2, H, and e-. the calvin cycle alone. Then ATP and NADPH from the light reactions provide energy to combine the fixed carbons to make sugar. NADPH carbon dioxide . stroma During photosynthesis, an electron transport chain transports . 5 carbon molecule that combines with CO2 via the catalyst rubisco in carbon fixation to create a . does not occur during either phase b. sugarscarbohydrates and oxygen, d. This equation is telling us that the reactants (or ingredients) that are necessary for photosynthesis to occur are 6 molecules of carbon dioxide and 6 molecules of water. Study with Quizlet and memorize flashcards containing terms like In the chloroplasts, where does the Calvin Cycle occur, Light activated enzyme that is essential to carbon fixation. Study with Quizlet and memorize flashcards containing terms like Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle, Where does the Calvin cycle take place, A plant has a unique photosynthetic pigment. Study with Quizlet and memorize flashcards containing terms like Where does the Calvin Cycle occur, What is the product of the Calvin Cycle, What do two G3Ps combine into and where does it occur and more. - provide energy and free electrons to drive the Calvin Cycle. CO2 to G3P. The Interworkings of the Calvin Cycle. H2O is during the light reactions and CO2 is during the Calvin cycle. Unit 2 Test. NAPH production is not a part of photosynthesis. Uses light energy to drive the synthesis of organic molecules from inorganic molecules. Cacti, pineapple, aloe and jade plants. Once in the mesophyll cells, CO 2 diffuses into the stroma of the chloroplast, the site of light-independent reactions of photosynthesis. identify the two broad stages of photosynthesis. Occurs in higher plants, phytoplankton, algae, some bacteria, and some protists, organisms collectively referred to as photoautotrophs. Recent flashcard sets. Study with Quizlet and memorize flashcards containing terms like light reaction occurs in what part of the cell, Where does the Calvin cycle occur, What is the photosynthesis equation and more. Study with Quizlet and memorize flashcards containing terms like Where does the Calvin Cycle occur, What are two other possible names for the Calvin Cycle, The Calvin Cycle reduces CO2 to . The inputs are carbon dioxide from the air and the ATP and NADPH produced by the light reactions. Instead, the Calvin cycle uses ATP and NADPH from the light-dependent reactions to fix carbon dioxide and produce three-carbon sugarsglyceraldehyde-3-phosphate, or G3P, moleculeswhich join up to form glucose. and more. Where does the Calvin cycle occur stroma of chloroplasts. 15 The Calvin cycle has three stages. Letter B indicates the inner envelope of the chloroplast. target 5 of 8target 6 of 8 4. O2 builds up in the leaf, and Rubisco bonds O2 to RuBP. In stage 2, the organic molecule is reduced. Oxygen c. Prokaryotic photosynthetic autotrophic organisms have infoldings of the plasma. 3) The Calvin cycle oxidizes the light-reactions product NADPH to NADP. NADPH, Which of the following statements is true a. the remaining G3P go toward the production of organic molecules. C4 Plants. Study with Quizlet and memorize flashcards containing terms like Light Dependent Reactions Inputs, Light Dependent Reaction Outputs, Calvin Cycle Inputs and more. Light reactions occur within the thylakoids and the Calvin Cycle takes place in the stroma. Talk therapy and medication can help with management. In stage 2, the organic molecule is reduced. , Which question can be answered by following the scientific method A. The light reactions of photosynthesis use and produce (a reactant in the calvin cycle). - Succulent plants (cacti, pineapple) - Carbon fixation occurs in the mesophyll cells at night when the stomata are open - Organic compounds that are formed store the carbon dioxide until morning - During the day when the ATP and NADPH are produced to drive the Calvin Cycle, CO2 is released into the Calvin Cycle and is used to make glucose and other organic compounds. and more. Photosynthesis Rxn. 6 CO2 6 O2 C6H12O6 6 H2O E. 15 The Calvin cycle has three stages. State the energy-storing molecules which were produced by the light reactions and which are used as an energy source for the Calvin cycle. The Calvin cycle incorporates each CO2 molecule (Carbon fixation), one at a time, by attaching it to a 5 carbon sugar -- ribulose biphosphate (RuBP). 10 AP Bio. Premenstrual swelling and tenderness of both breasts often occurs during the second half of the menstrual cycle. The Calvin cycle occurs inside chloroplasts, but outside the thylakoids (where ATP was created). Where does the Calvin Cycle occur The entire process happens in the stroma of the chloroplasts. Key Points. the photosystems. What occurs solely in Photosystem II only. In this way, the Calvin cycle depends on the light reactions. Describe the major functions of glucose in photosynthetic organisms. carbon dioxide. B) CO2 is oxidized to form gluxose. Study with Quizlet and memorize flashcards containing terms like where does the Calvin cycle occur in the chloroplast, The two high-energy molecules that are used to feel the Calvin cycle are, where are the two high-energy molecules that are used to fuel the Calvin cycle made and more. Study with Quizlet and memorize flashcards containing terms like From the following choices, identify those that are the inputs and outputs of the light reactions. regeneration of RuBp. -Co2 fixation when carbon dioxide combines w a 5 carbon sugar ruBp. interior of the thylakoid (thylakoid space) b. A) light reactions alone. light- mesophyll cells. What does the Calvin Cycle produce Glucose (C6 H12 O6) How many times does the Calvin Cycle repeat 6 times. Which of the following does not occur during the. Study with Quizlet and memorize flashcards containing terms like These organisms most specifically utilize light energy to make organic molecules from inorganic molecules. In the light reactions, light energy is used to oxidize Blank to Blank 2. making sugar. NADPH, Which of the following statements is true a. Letters from A to E indicate definite structures. Requires ATP. Learn with flashcards, games, and more for free. stroma During photosynthesis, an electron transport chain transports . Where does the Calvin Cycle occur. The synthesis of glucose from sunlight, carbon dioxide and water, with oxygen as a waste product. In stage 2, the organic molecule is reduced. In stage 1, the enzyme RuBisCO incorporates carbon dioxide into an organic molecule. Letter A indicates the outer envelope of the chloroplast. plants to use the energy of light to make their own food. Find step-by-step Biology solutions and your answer to the following textbook question Where in eukaryotic cells does the Calvin cycle take place. -The light dependent reactions of photosynthesis occur within the thylakoid membranes inside the chloroplast. Where does the Calvin cycle occur A structure of a chloroplast. Study with Quizlet and memorize flashcards containing terms like Why is this cycle called "light-independent", What is needed from the light-dependent reactions for the Calvin Cycle to occur, Where does the Calvin Cycle take place and more. oxygen, ATP, and NADPH. the photosystems. The Interworkings of the Calvin Cycle. Sleep normally occurs in several stages. 3) The Calvin cycle oxidizes the light-reactions product NADPH to NADP. Define Calvin Cycle. In stage 1, the enzyme RuBisCO incorporates carbon dioxide into an organic molecule. Select one a. Not all labels will be used. Regeneration of the CO2 acceptor (RuBP) III. What does this mean and more. 40 terms. Study with Quizlet and memorize flashcards containing terms like Where does the Calvin cycle take place, Before the Calvin cycle begins, . Study with Quizlet and memorize flashcards containing terms like chloroplast, plants, chlorophyll and more. Study with Quizlet and memorize flashcards containing terms like Where does a plant get its mass, Photosynthesis formula in words, Photosynthesis chemical formula and more. , water. pumping of H into the thylakoid lumen. Chloroplast structure and function In eukaryotes, all the reactions of photosynthesis occur in various membranes and compartments of the chloroplast. Why-Carbon dioxide concentrations decrease at night. Describe how C4 and CAM photosynthesis separate CO2 fixation from the Calvin cycle. Study with Quizlet and memorize flashcards containing terms like In the chloroplasts, where does the Calvin Cycle occur, Light activated enzyme that is essential to carbon fixation. through the roots c. The Calvin cycle has two parts. C) CO2 is reduced to form glucose. Here is a look at. C3 plants. The two stages of photosynthesis are light reactions and the Calvin Cycle. A) Glucose is oxidized to form CO2. What is the equation for photosynthesis 6CO2 6H2O >>>>>> C6H12O6 6O2. plants to use the energy of light to make their own food. These reactions occur in the stroma of the chloroplast, which is the fluid-filled region between the thylakoid membrane and inner membrane of the organelle. The two stages of photosynthesis are light reactions and the Calvin Cycle. What is the role of carbon dioxide in photosynthesis. consume other plants or animals or decomposed organic material. The ultimate source of energy for reactions in a plant is . Compare and contrast C3, C4, and CAM plants and their adaptations to different environments. What three stages can the calvin cycle be broken down int 1. synthesis of G3P. Show the steps of the Calvin cycle, including the major molecules involved, and explain why the Calvin cycle is considered a cycle. Photosynthesis is a redox reaction. Show the steps of the Calvin cycle, including the major molecules involved, and explain why the Calvin cycle is considered a cycle. through the thylakoids d. Oct 21, 2023 C4 and CAM plants. The overall function of the Calvin cycle is . Rubisco is a protein that is found in plants (most abundant protein in. This reaction occurs with the help of the rubisco enzyme. Regeneration of the CO2. The Calvin cycle occurs in the stroma of the plant, which is described as the fluid inside the plant&39;s chloroplast that contains chloroplast&39;s DNA, ribosomes, starch, and enzymes required to catalyze the. Which of the following does not occur during the Calvin cycl Quizlet. gay xvids, prayer against evil in the land
Study with Quizlet and memorize flashcards containing terms like What is the purpose of the Calvin Cycle, Where does the calvin cycle occur, What is the order of the phases and more. . Where does the calvin cycle occur quizlet
Carbon Fixation 2. does not occur during either phase b. Study with Quizlet and memorize flashcards containing terms like Does the Calvin Cycle require light, Where does the Calvin Cycle occur, What are the reactants of the Calvin Cycle and more. During one of three phases of the Calvin cycle, three molecules of ATP are used to catalyze the rearrangement of five three- carbon sugar&39;s known as glyceralde 3-phosphate (G3P), into three five-carbon sugars, known as ribulose biphosphate (RuBp). In summary, it takes six turns of the Calvin cycle to fix six carbon. Study with Quizlet and memorize flashcards containing terms like Where does the Calvin cycle (i. If the item is not an input to or an output from the Calvin cycle, drag it to the "not input or. 6 CO2 6 H2O C6H12O6 6 O2. Biology Quiz 9. - RUBPCO2----> 2 (PGA) the carbon fixation reaction is catalyzed by what enzyme complex Rubisco (1,5 bisphosphate. 6 NADPH, 6 NADP. starting compound called RuBP, each turn of the Calvin cycle, there are chemical inputs and outputs. Study with Quizlet and memorize flashcards containing terms like Which of these equations best summarizes photosynthesis C6H12O6 6 O2 6 CO2 6 H2O Energy 6 CO2 6 O2 C6H12O6 6 H2O C6H12O6 6 O2 6 CO2 12 H2O H2O 2 H 12 O2 2e- 6 CO2 6 H2O C6H12O6 6 O2, Where does the Calvin cycle occur Question. the sun e. Where does the Calvin Cycle occur Takes place in the stroma of chloroplasts. The ultimate source of energy for reactions in a plant is . Study with Quizlet and memorize flashcards containing terms like In photosynthesis, plants use carbon from to make sugar and other organic molecules. D) neither the light reactions nor the Calvin cycle. The leaves of this plant appear to be reddish yellow. Reduction 3. ATP and NADPH, the reactants of the Calvin Cycle. Study with Quizlet and memorize flashcards containing terms like In which part of a chloroplast does the Calvin Cycle take place, Describe what can happen to PGAL molecules made in the Calvin Cycle. 2 The Calvin cycle has three stages. 5 terms. 3- It is fixed by Rubisco and the Calvin Cycle. soil, How does carbon dioxide enter the leaf a. e) on the stromal side of the membrane. Photo autotrophs. 6CO2 6H2O C6H12O6 6O2. C4 plant. The reactions of the Calvin cycle capture and produce CO2 , 3. Explain how C4 plants work. Study with Quizlet and memorize flashcards containing terms like These organisms most specifically utilize light energy to make organic molecules from inorganic molecules. Study with Quizlet and memorize flashcards containing terms like Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle A) CO2 and glucose B) H2O and O2 C) ADP, Pi, and NADP D) electrons and H E) ATP and NADPH, Where does the Calvin cycle take place A) stroma of the chloroplast B). Light-dependent reactions harness energy from the sun to produce ATP and NADPH. , What is produced during the reduction phase of the Calvin cycle, The light reactions of photosynthesis occur in the . , How many turns of the Calvin Cycle are needed to produce a molecule of PGAL. In stage 1, the enzyme RuBisCO incorporates carbon dioxide into an organic molecule. This cycle is named after chemist Melvin C. Organic compounds that can be made from the products of the calvin cycle include. Dry, arid climates. in the dark because they need light reaction. Define Calvin Cycle. at night. E) O2 is oxidized to form water. Figure 1 The light-dependent reactions harness energy from the sun to produce ATP and NADPH. ATP and NADPH. CAM plants are adapted to. Where in the cell does the Calvin Cycle take place inside the stroma of the chloroplast. A) fluid portion of the mitochondrion. In stage 1, the enzyme RuBisCO incorporates carbon dioxide into an organic molecule. the remaining G3P go toward the production of organic molecules. Makes triose phosphate from CO and ribulose bisphosphate (5 carbon compound). The Calvin cycle occurs in the stroma using NADPH and ATP. the calvin cycle alone. Select one a. through the stomata e. The Calvin cycle has three stages. Cacti, pineapple, aloe and jade plants. State the site of the Calvin cycle in the chloroplast. identify the two broad stages of photosynthesis. Unit 2 Test. Where does the Calvin cycle occur A structure of a chloroplast. The leaves of a plant with a unique photosynthetic pigment appear orange in sunlight. In summary, it takes six turns of the Calvin cycle to fix six carbon. B) CO2 is oxidized to form gluxose. Why-Carbon dioxide concentrations decrease at night. Why and more. , How is O2 involved in photosynthesis and more. The Calvin cycle depends on products of the light reactions. Figure 5. -Plants usually open their stomata at night. 2 The Calvin cycle has three stages. The two stages of photosynthesis are the light reactions and the Calvin Cycle (dark reactions). Summarize the steps in the Calvin cycle. Not all labels will be used. We know that both of these stages are essential for the production of oxygen and the generation of food for plants, but where does all this. through the chloroplasts b. Letter A indicates the outer envelope of the chloroplast. For every 3 molecules of CO2 that enter the calvin cycle, the cycle produces one molecule of. The leaves of a plant with a unique photosynthetic pigment appear orange in. and more. Photosystem I. 2 The Calvin cycle has three stages. Study with Quizlet and memorize flashcards containing terms like what way does the Calvin cycle depend on the light reactions, What energy transformation takes place in the Calvin Cycle, Fill in the blanks To synthesize one glucose molecule, the Calvin cycle operates times, usingmolecules of CO2, molecules of ATP, and molecules of NADPH and more. Select one a. the prokaryote survived inside the eukaryote and each evolved a dependance of each other. What are the 3 steps in cellular respiration Glycolysis , Krebs cycle , electron transport chain. These energy-carrying molecules travel into the. During the cell cycle, DNA replication occurs during the S-phase portion of the interphase. -The Calvin cycle makes sugar by using ATP and NADPH made during the light reactions. Letter A indicates the outer envelope of the chloroplast. the Calvin cycle take place. What is the function of photosynthesis regulates earth's environment; to produce food for themselves and other organisms. B) H2O NADPH Calvin cycle. They do not release oxygen at night because there is no sunlight. Only heterotrophs have mitochondria. the calvin cycle can be thought of as taking place in three stages. Water b. outer membrane of the chloroplast, Which of the following does not occur during the Calvin cycle a. e) on the stromal side of the membrane. Step 1 of the Krebs cycle. Reactions that prdc O2 gas occur only in presence of light - don't need CO2. Because of this, most plants also perform , which consumes. 3)The thylakoid membrane is the site of the light-dependent reactions of photosynthesis. what other process occurs in the cells that provides the ATP necessary to do cellular work such as make proteins, divide cells, and move substances across membranes. Once in the mesophyll cells, CO 2 diffuses into the stroma of the chloroplastthe site of light-independent reactions of photosynthesis. Photosynthesis is a redox reaction. C3 cycle refers to the dark reaction of photosynthesis. light-independent reactions. the sun e. CAM plants are adapted to. The two stages of photosynthesis are light reactions and the Calvin Cycle. harvest protons, transfer light energy to the reaction-center chlorophyll. 2 8. - 2 separate reactions Light used to get electrons from H2O light reactions - Series of redox reactions that take high energy electrons from H20 - absorb energy from photons - reduce NADP to NADPH and make ATP Converts CO2 to sugars Calvin cycle- Uses products of light. NADPH and more. energy flow in photosynthesis. 1) The Calvin Cycle occurs in the stroma of the chloroplast. Overview of the Calvin cycle. The Calvin cycle depends on products of the light reactions. . thesaurus wonderful