thylakoid. (D) 3. The mesophyll cells are the usual cell type as found in C 3 plants also. 10th - 11th grade. After carbon dioxide fixation by RuBisCO, Calvin cycle proceeds as in C 3 plants. The Calvin cycle is the cycle of chemical reactions performed by plants to “fix” carbon from CO 2 into three-carbon sugars.. Later, plants and animals can turn these three-carbon compounds into amino acids, nucleotides, and more complex sugars such as starches.. 1. Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin Cycle? (D) The carbon fixation doesn't require light. In the CAM pathway, CO2 uptake occurs _____ and the Calvin cycle (sugar production) occurs _____. In plants, carbon dioxide (CO 2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized.The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. mitochondria. It is the second phase of photosynthesis that occurs after the light reaction. Calvin ... Where does the Calvin Cycle occur? In the bundle sheath cells carbon dioxide is fixed by the enzyme RuBisCO. Calvin Cycle DRAFT. Save. Summarize the Calvin cycle below: Reactants Products _____ Page 12 of 14 AP Biology The Plant Unit Reading Guide – Chapter 6.5 –6.6 QUESTIONS – Special Adaptations and Photosynthesis 34. at night; during the day As CO2 concentrations continue to increase in our atmosphere, photorespiration rates are likely to _______, a change that should _______ the advantage C4 plants have over C3 plants. The Calvin cycle is a set of light independent redox reactions that occur during photosynthesis and carbon fixation to convert carbon dioxide into the sugar glucose. Initial carbon dioxide fixation into organic acids occurs in the mesophyll cells. 78% average accuracy. 3 years ago. Calvin pathway occurs in all photosynthetic plants which is CO 2 fixation cycle. Calvin Cycle Definition. answer choices . Edit. Edit. arreis018. 1. occurs in bundle sheath cells (D) 2. all the time. 444 times. 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. (D) false, because calvin cycle occurs in the stroma of chloroplast. 4. C4 plants differ from C3 and CAM plants in that C4 plants _____. Requires CO2 a. both the light reactions and the Calvin cycle b. occurs in the chloroplast but is not part of photosynthesis c. light reactions alone d. neither the light reactions nor the Calvin cycle e. the Calvin cycle alone lumen. 1.transfer fixed carbon dioxide to cells in which the Calvin cycle occurs 2.open their stomata only at night Since it occurs in the absence of light, it is also called the light-independent reaction. 5. How the products of the light reactions, ATP and NADPH, are used to fix carbon into sugars in the second stage of photosynthesis. (E) both C and D, because CO2 is taken in and O2 is released, but not recycled. The majority of green plants carry out photosynthesis as described and are called __________ plants. The pathway by which green plants and algae convert atmospheric carbon dioxide into food in the form of glucose is called the Calvin cycle. Carbon dioxide combines with ribulose‐1, 5‐biphosphate (RuBp) to produce a transient intermediate compound. 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