Which of these best represents the fixation of a carbon molecule?
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The reduction of carbohydrates by NADPH. |
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The oxidation of NADPH to form NADP. |
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The regeneration of RuBP. |
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The incorporation of CO2 into organic molecules. |
Fixation of carbon means reduction of carbon from its inorganic form CO2 into organic form like sugars etc. It occurs during photosynthesis. RuBP is the enzyme essential for fixation of carbon.
Answer - D
Which of these best represents the fixation of a carbon molecule? The reduction of carbohydrates by...
Photosynthesis - what is meant by each round? Carbon fixation occurs in the stroma of the chloroplast in a process known as the Calvin Cycle. It occurs in three stages: Stage 1: Carbon Fixation, Stage 2: Reduction, and Stage 3: Regeneration of RuBP. In Stage 1, __ molecule(s) of CO2 are added to __ molecules of RuBP, which was regenerated from the previous cycle. This process is catalyzed by the enzyme Rubisco. The final product from each round of the...
Q.1 Rubisco starts the process of carbon fixation by attaching a carbon from carbon dioxide to RuBP, causing which molecule to be formed? Q.2 12 molecules of PGA use the energy from ATP and NADPH to rearrange and form 12 molecules of? Q.3 ____provides the energy needed to rearrange 10 molecules of PGAL into 6 molecules of RuBP. Q.4 During one "turn" of the Calvin–Benson cycle,__ carbon dioxide molecules are taken in, and a molecule of glucose is created.___ carbon...
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In the reaction, 6CO2 + 6H20 --C6H12O6 + 602, carbon dioxide is being — oxidized Ophosphorylated hydrolyzed reduced condensed Which portion of the photosynthetic apparatus absorbs light? O NADP reductase O photosystem 1 both photosystem I and NADP reductase O photosystem II both photosystem I and photosystem II The image here...
4. Photosynthesis is the pathway used to synthesize carbohydrates from: O 02. sunlight, CO2, and H20. O sunlight sunlight, CO2, and 02. CO2 5. Which of the answer choices correctly describes the role of rubisco in the Calvin cycle? None of the other answer options is correct. Rubisco uses NADPH to reduce 3-phosphoglycerate to a 3-carbon sugar Rubisco incorporates CO2 from the atmosphere into an organic molecule. Rubisco uses ATP to regenerate RuBP. 5. In the Calvin cycle, NADPH is:...
12.9B - Which of the following is NOT a process in the Calvin Cycle? Oxidation of Rubulose Bisphosphate into Glucose Reduction of 3-Phosphoglycerate into G3P/PGAL Fixation of Carbon Dioxide All of these are processes in the Calvin Cycle Regeneration of RuBP from G3P/PGAL
Which of the following does not occur during the calvin cycle? a) oxidation of NADPH b) release of oxygen c) regeneration of the CO2 acceptor d) carbon fixation
QUESTION 9 During fixation (carboxylation), carbon dioxide combines with RuBP. True False QUESTION 10 Electrons that leave PSI flow through an electron transport chain and then into PSII True False QUESTION 11 During the Calvin Cycle, 3PGA is phosphorylated, resulting in the formation of BPG. True False - CULTILOCONCIL - FOOUJOU QUESTION 12 H+ are actively moved from the thylakoid lumen to the stroma True False QUESTION 13 Which of the following does NOT occur during the light dependent reactions?...
The three phases of the Calvin cycle are: 1. Carbon fixation. 2. Reduction. 3. Regeneration of the CO2 acceptor. The phase(s)that involve(s) a phosphorylation step using ATP is/are… A. 1 only. B. 2 only. C. 3 only. D. 1 and 2 but not 3. E. 2 and 3 but not 1.
1. which of the following are produced during the light reactions of photosynthesis? a) ADP,NADP+,O2 b)glucose, ADP,NAD+ c)ATP,NADPH,CO2 d)glucose,ADP,NADP+,CO2 e)ATP,NADPH,O3 2. Which type of light energy is not used by plants during photosynthesis? a)blue b)yellow c)violet d)red E)none of the above=identofy 3. Photosystem II a)does not have a reaction center b)is reduced by NADPH c)passes electrons to photosystem I d)has P700 at its reaction e)all the choices are correct 4. The photolysis of water a)combines with carbon dioxide b)produces NADPH...
Question 7 2 pts The Calvin cycle requires_ATP and __NADPH in order for the cell to produce a molecule of glucose. O9;6 18; 12 6:9 O 12:18 Question 8 2 pts Which of the following is true about carbon fixation during the Calvin cycle? O A five-carbon RuBP molecule is regenerated by rearranging the carbons from G3P molecules. O Amolecule of CO2 is joined to a 5-carbon molecule of RuBP by the enzyme rubisco. A molecule of CO2 is joined...