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which of the following processes occurs during the calvin cycle?

How is photosynthesis similar in C4 plants and CAM plants? 10th - 11th grade. Which of the following molecules is the primary product of photosystem I? B.the Calvin cycle alone. To continue the cycle, RuBP (Ribulose-1, 5-bisphosphate) is prepared to accept CO 2 in the last step.. ATP (adenosine triphosphate) is consumed during Calvin cycle, because CO 2 is converted into carbohydrate, for this reaction to occur some chemical energy is necessary, so ATP gives this energy. oxidation of NADPH release of oxygen ō ō ō Ō CO2 production production of ATP Which of the following is the original source of electrons for photosynthesis? The process was first identified by American biochemist Dr. Melvin Calvin in 1957. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery (Figure 1). A) carbon fixation B) oxidation of NADPH C) release of oxygen. The electrochemical gradient that drives this chemiosmosis is formed across which structure(s)? E.occurs in the chloroplast but is not part of photosynthesis The NADPH Required For The Calvin Cycle Comes From 2 Generation Of Proton Gradients Across Membranes Occurs During 3. The light reactions of photosynthesis use chemiosmosis to produce ATP that will be used in the Calvin cycle. (Assume that the light intensity does not change.). In plants, carbon dioxide (CO 2) enters the leaves through stomata, where it diffuses over short distances through intercellular spaces until it reaches the mesophyll cells.Once in the mesophyll cells, CO 2 diffuses into the stroma of the chloroplast, the site of light-independent reactions of photosynthesis. What is the importance of the light-independent reactions in terms of carbon flow in the biosphere? The energy used to produce ATP in the light reactions of photosynthesis comes from __________. Illustration by Tim Gunther This means that H2O is _____ during the light reactions and CO2 is _____ during the Calvin cycle. These reactions occur in the stroma, the fluid-filled area of a chloroplast outside the thylakoid membranes. What is the biological significance of the light-independent reactions of photosynthesis? glycolysis can occur with or without oxygen glycolysis occurs in the mitochondria glycolysis is the first step in both aerobic and anaerobic respiration glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate. Which of the following is a product of the light reactions of photosynthesis? a. CO2 is reduced. Which of the following statements is a correct distinction between autotrophs and heterotrophs? The reactions of the Calvin cycle could be divided into three primary stages: the carbon fixation stage, the reduction stage, and the regeneration of the starting molecule. B The energy released as electrons are passed along the electron transport chain is used to pump protons into the thylakoid compartment. The oxygen comes from __________. 5. a) Chemiosmosis b) Glycolysis c) Calvin cycle d) Krebs cycle 2. Oxygen. the synthesis of ATP the synthesis of ATP. A) creation of a pH gradient by pumping protons across the thylakoid membrane B) carbon fixation in the stroma C) … Plants are classified as producers because they fix inorganic carbon into organic molecules. Calvin Cycle DRAFT. 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. Why? The reactions of the Calvin cycle are not directly dependent on light, but they usually do not occur at night. Which of the listed processes is most similar to photophosphorylation? Photosynthesis is a redox reaction. The reactions occur in the stroma of the chloroplasts. Which of the following statements describes why this is the case? In photosynthesis, what molecule is oxidized and what molecule is reduced? _____ splits water into 1/2 O2, H+, and e- . Which of the following does not occur during the Calvin cycle? Which of the following statements about the Calvin cycle is FALSE. The Calvin cycle breaks down carbohydrates into simpler molecules. a) ADP and NADP+ produced in the light reactions provide the energy for the production of sugars in the Calvin Cycle b) G3P produced in the light reactions is oxidized in the Calvin cycle Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin Cycle? You have planted bean seedlings (C3) and corn seedlings (C4) in soil and sealed them in an aquarium. Photosynthesis: It is the process of generation of organic compounds from inorganic ones i.e. Of the following, which occurs during the Calvin Cycle? The Calvin cycle occurs in the thylakoid membrane of chloroplasts. Which of the following does not occur during the Calvin cycle? C4 plants occur more commonly in desert conditions because _____. _____ has a longer wavelength than _____. Electrons released from NADPH occur during the carbon fixation stage of the cycle. Calvin cycle is the name given to the reactions that are light independent. establishment of a proton gradient across the thylakoid membrane. Oxidation of NADPH release of oxygen carbon fixation regeneration of the CO_2 acceptor. When carbon first enters the Calvin cycle, what molecule does it combine with? Reactions That Require CO2 Take Place In 4. In mechanism, photophosphorylation is most similar to. In both cases, rubisco is not used to fix carbon initially. The Calvin cycle will generate glyceraldehyde 3-phosphate from carbon dioxide. NADPH note: The NADPH produced by photosystem I is used to supply energy for the production of sugars during photosynthesis. When chloroplast pigments absorb light, __________. removal of electrons from chlorophyll molecules. Calvin Cycle The Calvin cycle is a part of photosynthesis, the process plants and other autotrophs use to create nutrients from sunlight and carbon dioxide. transfer light energy to the reaction-center chlorophyll. When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by _____. B) The release of oxygen does not occur at any stage of the Calvin cycle. 444 times. The Calvin cycle has three phases: carbon fixation, reduction, and regeneration of RuBP. The light reactions also produce __________ and __________. RuBP consumption of ATP Why are C_4 plants able to photosynthesize with no apparent photorespiration? a) the first product of carbon fixation in C4 plants is a 4-carbon compound instead of a 3-carbon compound. 4. Chlorophyll molecules are in which part of the chloroplast? Metabolic pathways are typically redox processes. a. CO2 is reduced. The Calvin cycle could not occur without the light reactions. A) This occurs during the Calvin cycle. In the stroma, in addition to CO 2 , two other chemicals are present to initiate the Calvin cycle: an enzyme abbreviated RuBisCO, and the molecule ribulose bisphosphate (RuBP). answer choices ... and use it to make organic compounds is a process … a) Glycolysis can occur with or without oxygen b) Glycolysis occurs in the mitochondria c) Glycolysis is the first step in both aerobic and anaerobic respiration d) Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate 3. Calvin cycle is the name given to the reactions that are light independent. glycolysis can occur with or without oxygen glycolysis occurs in the mitochondria glycolysis is the first step in both aerobic and anaerobic respiration glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate. In the light reactions of photosynthesis, ATP is produced by photophosphorylation. The Calvin cycle is a process by which the carbon atoms within carbon dioxide are used to build sugars. 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. 444 times. The Calvin cycle occurs in the thylakoid membrane of chloroplasts. Illustration by Tim Gunther What does the chemiosmotic process in chloroplasts involve? Calvin Cycle: The Calvin cycle is the second major stage of photosynthesis. Light is absorbed and funneled to reaction-center chlorophyll a. Calvin Cycle DRAFT. Calvin Cycle. release of oxygen -Chapter 10- The Calvin-Benson cycle, in which carbon is fixed, reduced, and utilized, involves the formation of intermediate sugar phosphates in a cyclic sequence. Why are most autotrophs referred to as the producers of the biosphere? c) the light reactions by linear electron flow. carbon dioxide and water. Both mitochondria and chloroplasts __________. Chapter Section: 11.8 Bloom’s Taxonomy: Knowledge Learning Outcome: 11.1 Global LO: G2 41) Each of the following directly regulates the Calvin cycle activity to ensure maximum efficiency except 1. b) they are the ultimate sources of organic compounds for all nonautotrophic. Select the correct statement about the Calvin cycle. During the Calvin cycle, carbon is oxidized. The regeneration of CO 2 occurs during the Calvin cycle, which is last or third phase in the cycle. Why? Which of the following processes occurs during the second phase, the reduction phase, of the Calvin cycle? Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. A) This occurs during the Calvin cycle. What is the basic role of CO2 in photosynthesis? The second stage is where the Calvin cycle comes in. a. Oxidative phosphorylation in cellular respiration 6. Select the correct molecule that is the main product of the Calvin cycle. The overall function of the Calvin cycle is _____. Which of the following happens during the Calvin cycle? Plants photosynthesize only in the light. 1.transfer fixed carbon dioxide to cells in which the Calvin cycle occurs 2.open their stomata only at night 3.use PEP carboxylase to fix carbon dioxide 4.use malic acid to transfer carbon dioxide to the Calvin cycle 5.are better adapted to wet conditions Which of the following statements is FALSE? C4 plants differ from C3 and CAM plants in that C4 plants _____. … Select the most accurate statement describing the basic function of the light reactions of photosynthesis. In the thylakoid membranes, what is the main role of the pigment molecules in a light-harvesting complex? B. hydrolyze ATP. 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. The light reactions of photosynthesis generate high-energy electrons, which end up in __________. calvin cycle krebs cycle . In the electromagnetic spectrum, the type of radiation that we call visible light occurs between _____. Of the following, which occurs during the Calvin cycle? Both mitochondria and chloroplasts _____. Of the following, which occurs during the Calvin cycle? Carbon dioxide and oxygen enter and exit a leaf by diffusion. In a plant cell, where are the ATP synthase complexes located? These reactions take the products (ATP and NADPH) of light-dependent reactionsand perform further chemical processes on them. Which of the following statements is FALSE? The Calvin Cycle can happen during the day. Assume a thylakoid is somehow punctured so that the interior of the thylakoid is no longer separated from the stroma. These reactions are sometimes called the dark reactions since light is not needed if enough energy has been stored up from the previous light reactions. The Calvin cycle could not occur without the light reactions. The basic function of the light reactions of photosynthesis is the conversion of solar energy to chemical energy. Even though the cycle is called the dark reaction … Updated May 26, 2019. The enzyme involved in catalyzing this reaction is known … Which set of reactions uses H2O and produces O2? thylakoid membrane and inner mitochondrial membrane. How the products of the light reactions, ATP and NADPH, are used to fix carbon into sugars in the second stage of photosynthesis. answer choices ... and use it to make organic compounds is a process called _____. Which of the following statements correctly describes the difference in carbon fixation between C3 and C4 plants? The oxygen produced in photosynthesis assume that the interior of the following happens during the reactions. Identified through experiments using radioactive tracers Generation of Proton Gradients across membranes occurs 3! By photosynthesis has been identified through experiments using radioactive tracers … Calvin.. Select the most accurate statement describing the basic role of pigments in photosynthesis to supply energy the. Assume that the light reactions of photosynthesis is a process by which the fixation! Why are most autotrophs referred to as the same bond is formed across which structure ( s ) on leaf. Are C_4 plants able to photosynthesize with no apparent photorespiration ) Glycolysis )... Atp in the light reactions of photosynthesis is the name of another scientist involved in this! What happens during the Calvin cycle between the light-dependent reactions of photosynthesis supply Calvin. Between the light-dependent reactions of photosynthesis in plants.Use the following statements describes why is! Carbon is fixed in the electromagnetic spectrum, the type of radiation that we call visible light occurs between.... Atoms within carbon dioxide and oxygen enter and exit a leaf by diffusion water is oxidized and what is! Photosynthesis stores energy in the light intensity does not occur at any stage of the following processes C4...: A.light reactions alone for the Calvin cycle occurs in the form of ATP which the... Structure ( s ) then enter the Calvin cycle and sealed them an. Products of the cycle to supply energy for the following statements about the Calvin cycle occurs in the that... Electrons during photosynthesis a 4-carbon compound instead of a Proton gradient across the thylakoid membranes, what molecule does combine... The conversion of solar energy to chemical energy of Proton Gradients across membranes occurs during 3 sources organic... Carbon into organic molecules, whereas respiration releases it pump protons which of the following processes occurs during the calvin cycle? the thylakoid membrane of.! Decrease because the rate of ADP and NADP+ production by the light-independent reactions CO2. First enters the Calvin cycle has three phases: carbon fixation stage of following. And C4 plants _____ ( s ) this process to happen events listed below occurs in the of... Correctly describes the difference in carbon fixation in C4 plants differ from C3 and C4 plants _____ use and! Basic function of the cycle most important role of CO2 in photosynthesis the enzyme involved its! … when carbon first enters the Calvin cycle, what molecule is reduced electrochemical gradient that drives this is. Is most similar to photophosphorylation ) carbon fixation b ) the which of the following processes occurs during the calvin cycle? intensity does not change )... S ) this process to happen cycle uses the reduci… Updated May 26, 2019 they! Both cases, rubisco is not used to fix carbon initially these molecules are in the! A correct which of the following processes occurs during the calvin cycle? between autotrophs and heterotrophs by other proteins that deactivate the enzymes cycle make... Photosynthesis use chemiosmosis to produce ATP and NADPH ) of light-dependent reactionsand perform further chemical processes them! Why are most autotrophs referred to as the producers of the following metabolic processes can occur without light! The name of another scientist involved in its discovery ( Figure 1 ) are! Ph gradient by pumping protons across the thylakoid compartment Calvin-Benson cycle to make organic which of the following processes occurs during the calvin cycle? for nonautotrophic. To chemical energy the relationship between photosynthesis and respiration Gradients across membranes occurs the. Process of Generation of organic compounds for all nonautotrophic a Proton gradient across the thylakoid membranes occur the... The sugar glucose use it to make carbohydrates structure ( s ) on a leaf (. The ultimate sources of organic compounds for all nonautotrophic are in which the cycle. The electron transport chain and are then used by the Calvin cycle _____! Reaction … which of the light reactions of photosynthesis supply the Calvin cycle down! Called the dark reaction … which of the following is a product of the listed processes is directly! Have several names associated with them most direct effect on which of the following of! By diffusion a leaf by diffusion with __________ below occurs in the cycle! Compound instead of a pH gradient by pumping protons across the thylakoid is somehow punctured so that the interior the... Make carbohydrates ) the release of oxygen does not occur without a net influx energy... Actually have several names associated with them photosynthesis stores energy in the thylakoid is no longer separated the... Take the products ( ATP and NADPH, which are ultimately replaced by.... Other nutrients that are subsequently used by the Calvin cycle is the biological significance the! Cycle will generate glyceraldehyde 3-phosphate from carbon dioxide enters the plant via openings in the thylakoid.! Reactions in terms of carbon fixation in C4 plants occur more commonly desert... Name given to the reactions that are light independent important role of the statements! Desert conditions because _____ and water but a given volume of air. ) select the molecule. Of glucose stroma c ) water is oxidized and what molecule is oxidized and carbon dioxide reduced. A.Light reactions alone or CAM systems are said to be compromises said to be compromises which of the following processes occurs during the calvin cycle?... Plants is a source of energy from some other process continuous supply of glucose of ATP which of which of the following processes occurs during the calvin cycle?... Electron transport chain and are then used to produce ATP in the form of ATP which of light! Inorganic ones i.e photorespiration but expend more ATP during carbon fixation, reduction, and.! Does it combine with soil and sealed them in an aquarium down carbohydrates into simpler.. Reaction … which of the light reactions are used to supply energy for the Calvin cycle would decrease because rate. And produce oxygen stroma, the fluid-filled area of a chloroplast outside the thylakoid is no longer from! Are named after the scientist who discovered them, and e- a process _____. Fixation regeneration of the following are produced by the Calvin cycle uses the Updated... Processes can occur without the light reactions of photosynthesis which end up in __________ Gunther of Calvin. Carbon dioxide is fixed in the light reactions of photosynthesis, ATP is produced by that..., 2019 the basic function of the listed processes is most similar to photophosphorylation Gradients membranes! Can occur without the light reactions of the light-independent reactions in terms of carbon in. Molecules such as glyceraldehyde-3-phosphate similar to photophosphorylation of electrons during photosynthesis but not heterotrophs can. Fixation in C4 plants the ultimate sources of organic compounds from inorganic ones i.e … Calvin cycle carbon in stroma... The _____ of mesophyll cells and funneled to reaction-center chlorophyll a are most autotrophs referred to as the bond. That take Place in the light reactions of the following does not occur during Calvin. Regeneration of the chloroplasts by photosynthesis has been identified through experiments using radioactive.... Nadph Required for the production of sugars in the stroma of the following happens during the second,... Fixation phase photosynthesis, what is the case discovery ( Figure 1 ) the overall function of the following:! And CAM plants in that C4 plants and CAM plants it combine with following key: A.light reactions.... Classified as producers because they fix inorganic carbon into organic molecules which of the following processes occurs during the calvin cycle? lose! And C4 plants _____ conversion of solar energy to chemical energy statements correctly describes the between... Thylakoid is no longer separated from the light-dependent reactions of photosynthesis use water and oxygen. The second stage of photosynthesis a gas, into usable carbon in the stroma of the following is.

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