17) If reduced ferredoxin is oxidized to activate Calvin cycle enzymes in vascular plant cells, are...
17) If reduced ferredoxin is oxidized to activate Calvin cycle enzymes in vascular plant cells, are both ATP and NADPH production lowered? Explain briefly. (1 sentence)
Homework Answers
17)Answe A:-Yes,the concentration of both ATP and NADPH is lowered because they are used in the Calvin cyvlc i.e For the fixation of CO2
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17) If reduced ferredoxin is oxidized to activate Calvin cycle
enzymes in vascular plant cells, are...
77. Of the following, which occurs during the Calvin cycle? a) Excited electrons are conveyed from...
77. Of the following, which occurs during the Calvin cycle? a) Excited electrons are conveyed from chlorophyll to an electron acceptor b) Light energy is converted to chemical energy C) ATP and NADPH are synthesized d) Photons are absorbed e) CO2 is reduced 78. Which of the following occurs during the Calvin cycle? a) Linear electron flow produces the materials required for the fixation of carbon from carbon dioxide. b) Light energy is converted to chemical energy c) ATP is...
Thioredoxin is a protein involved in the regulation of some Calvin cycle enzymes. Determine which statements...
Thioredoxin is a protein involved in the regulation of some Calvin cycle enzymes. Determine which statements accurately describe the regulation of some enzymes by thioredoxin. 1) Ferredoxin-thioredoxin reductase catalyzes the reduction of thioredoxin. 2) Thioredoxin transfers electrons from photosystem II to ferredoxin. 3) Thioredoxin is in its reduced form when light is available. 4) Activated thioredoxin cleaves disulfide bonds in some Calvin cycle enzymes. 5) Active thioredoxin has a disulfide bond between two cycteine residues.
11. Name the molecules/energy sources/structures that best fit the following roles in photosynthe...
11. Name the molecules/energy sources/structures that best fit the following roles in photosynthesis. Use the diagrams on p.4 to refresh your memory. Choose from the following: NADPH, ATP, сог, H20, light energy, C6H1206, o.KuBP, G3P. a. the reactant that is oxidized: b. the reactant that is reduced: c. source of energy that is converted during photosynthesis: d. desired product of photosynthesis (source of potential energy & structure): e. product of Photosystem II and its E.T.C. f product of Photosystem I...
If you analyzed the phloem sap of a plant and found high concentrations of ________________, the...
If you analyzed the phloem sap of a plant and found high concentrations of ________________, the plant most likely phloem loads through the symplasm. a. sucrose b.starch c. ruffinose family oligosaccharides d. sugar alcohols e. glucose (I choose c as my answer) Phloem transport is expected to remain fairly constant during diurnal cycles (day/night cycles) because..... a. the statement is false b. sucrose is always abundant in leaf cells c. sucrose and starch are produced during the day, and starch...
22. Lipids would produce with the carbohydrate of same weight. energy compared (a) more (b) less...
22. Lipids would produce with the carbohydrate of same weight. energy compared (a) more (b) less c) the same amount 23. Where are the proteins of electron-transport chain located in mitochondria for the cellular respiration? (a) matrix (c) inner membrane (b) outer membrane (d) both membranes 24. The flow of protons during the light reaction of photosynthesis is from thylakoid space to stroma and back to thylakoid space through the ATPase? (a) True (b) False 25. Which of the following...
1. In this question, assume that the life cycle of a flowering plant begins with the...
1. In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are formation of a pollen tube and pollination. What would be the sequence in which they occur? Group of answer choices Both events occur more or less simultaneously. Formation of a pollen tube precedes pollination. pollination precedes the formation of a pollen tube 2....
I'd like to ask the answers for all of the uestions Question 1. A reaction in...
I'd
like to ask the answers for all of the uestions
Question 1. A reaction in an anabolic pathway in a cell has a AG of +2.5 kcal/mol. Which of the following is true regarding this reaction? A. It will occur spontaneously. B. The product of the reaction has a lower free energy than the reactants. C. It can occur if it is coupled to ATP hydrolysis. D. It is an exergonic reaction. E. It is breaking a polymer into...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form...
During the aerobic metabolism of glucose, glucose is ____________. Reduced to form water Oxidized to form water Reduced to form CO2 Oxidized to form CO2 Which of the following describes the equation: FAD + XH2 à FADH2 + X. FAD is reduced to FADH2 It is a coupled reduction – oxidation reaction XH2 is oxidized to X All of the above Which of the following is FALSE about glycolysis? The initial steps of glycolysis requires energy derived from the splitting...
Please help me figure these out, and if you could explain why you got the answer...
Please help me figure these out, and if you could explain why you got the answer you did that would be great, because I have an exam tomorrow! Thanks in advance. 1. Anaplerotic reactions __________. A. produce oxaloacetate and malate to maintain constant levels of citric acid cycle intermediates B. produce biotin needed by pyruvate carboxylase C. recycle pantothenate used to make CoA D. produce pyruvate and citrate to maintain constant levels of citric acid cycle intermediates E. All of...
Page 5 SONDE BI.A fe The Add 45. ATP the following 9: 2 grup hete) of...
Page 5 SONDE BI.A fe The Add 45. ATP the following 9: 2 grup hete) of the above The removal of t h e ATP in the production of energ 47. In Photophosphorylation, ATP ma n g theory of t. Ter! 48. The Phimaychain of www . d o rds through the force pro What is the one of these proce ? 4 Ke s Respiratory Chan Thangor A G W ok Regatory Chantren Thangar 6 Ragnary Chain Mangart Ghost...
77. Of the following, which occurs during the Calvin cycle? a) Excited electrons are conveyed from chlorophyll to an electron acceptor b) Light energy is converted to chemical energy C) ATP and NADPH are synthesized d) Photons are absorbed e) CO2 is reduced 78. Which of the following occurs during the Calvin cycle? a) Linear electron flow produces the materials required for the fixation of carbon from carbon dioxide. b) Light energy is converted to chemical energy c) ATP is...
11. Name the molecules/energy sources/structures that best fit the following roles in photosynthesis. Use the diagrams on p.4 to refresh your memory. Choose from the following: NADPH, ATP, сог, H20, light energy, C6H1206, o.KuBP, G3P. a. the reactant that is oxidized: b. the reactant that is reduced: c. source of energy that is converted during photosynthesis: d. desired product of photosynthesis (source of potential energy & structure): e. product of Photosystem II and its E.T.C. f product of Photosystem I...
22. Lipids would produce with the carbohydrate of same weight. energy compared (a) more (b) less c) the same amount 23. Where are the proteins of electron-transport chain located in mitochondria for the cellular respiration? (a) matrix (c) inner membrane (b) outer membrane (d) both membranes 24. The flow of protons during the light reaction of photosynthesis is from thylakoid space to stroma and back to thylakoid space through the ATPase? (a) True (b) False 25. Which of the following...
I'd
like to ask the answers for all of the uestions
Question 1. A reaction in an anabolic pathway in a cell has a AG of +2.5 kcal/mol. Which of the following is true regarding this reaction? A. It will occur spontaneously. B. The product of the reaction has a lower free energy than the reactants. C. It can occur if it is coupled to ATP hydrolysis. D. It is an exergonic reaction. E. It is breaking a polymer into...
Page 5 SONDE BI.A fe The Add 45. ATP the following 9: 2 grup hete) of the above The removal of t h e ATP in the production of energ 47. In Photophosphorylation, ATP ma n g theory of t. Ter! 48. The Phimaychain of www . d o rds through the force pro What is the one of these proce ? 4 Ke s Respiratory Chan Thangor A G W ok Regatory Chantren Thangar 6 Ragnary Chain Mangart Ghost...
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