EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 8, Problem 6TY
Summary Introduction
The Calvin cycle utilizes the energy produced by the light-dependent reaction into synthesizing carbohydrates from carbon dioxide. The NADPH (nicotinamide adenine dinucleotide phosphate) acts as a reducing agent that adds the high energy electrons to the carbon dioxide molecule to form polysaccharide (glucose).
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Which of the following is true of chloroplastic ATP:
Select one:
a.
it is made in the Calvin cycle and consumed in the light reactions
b.
it is used during photosynthesis, S assimilation, and N assimilation
c.
it does not leave the chloroplast, and is used to breakdown molecules
d.
it is made during photosynthesis and S assimilation
e.
it leaves the chloroplast, and is consumed in respiration and N assimilation
RuBisCo is mutated so that it does not function. What would be a possible impact on the Calvin cycle? which options are true
a. Less CO2 would be produced.
b. Oxidation of NADPH would be decreased.
c. G3P production would decrease.
d. CO2 would be fixed at an increased rate.
e. RuBP would be regenerated at a faster rate.
Photorespiration is avoided in C4 plants becausea. these plants separate the formation of a four-carbon molecule fromthe rest of the Calvin cycle in different cells.b. these plants carry out only anaerobic respiration.c. the enzyme PEP carboxylase functions to maintain high CO2concentrations in the bundle-sheath cells.d. all of the above.e. a and c only
Chapter 8 Solutions
EBK BIOLOGY
Ch. 8.1 - Prob. 1CCCh. 8.1 - Prob. 1BCCh. 8.1 - Can the Calvin cycle occur in the dark?Ch. 8.2 - Prob. 1CCCh. 8.2 - Prob. 2CCCh. 8.2 - Prob. 3CCCh. 8.2 - Prob. 4CCCh. 8.2 - Why does cyclic photophosphorylation provide an...Ch. 8.3 - Prob. 1CCCh. 8.3 - Prob. 2CC
Ch. 8.4 - Prob. 1CCCh. 8.4 - Prob. 1EQCh. 8.4 - Prob. 2EQCh. 8.4 - Prob. 3EQCh. 8.5 - Prob. 1CCCh. 8.5 - Prob. 1BCCh. 8.5 - Prob. 2CCCh. 8 - The water necessary for photosynthesis a. is split...Ch. 8 - Prob. 2TYCh. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - Prob. 6TYCh. 8 - Prob. 7TYCh. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - Prob. 10TYCh. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Discuss the advantages and disadvantages of being...Ch. 8 - Biotechnologists are trying to genetically modify...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is an incorrect statement about the Calvin cycle? A.The main inputs to the reactions are NADPH, ATP, and CO2. B.The main outputs of the reactions are NADP+ , ADP, and sugar. C.More NADPH is used than ATP during the Calvin cycle. D.Carbon fixation is the first step of the processarrow_forwardWhich of the following statements about the Calvin-Benson cycle is TRUE? Select one: a. Blocking light causes 3PG to accumulate. b. All the statements are false. c. Rubisco catalyzes the formation of RuBP. d. ATP and NADPH + H+ are required to regenerate RuBP. e. More molecules of NADPH than ATP are required per cycle.arrow_forwardThe products of the light-dependent reactions feed intoa. the Calvin cycle. c. glycolysis.b. photosystem I. d. the Krebs cyclearrow_forward
- Which of the following descriptions about photorespiration is not correct? Select one: a. Rubisco binds O2 instead of CO2. b. Carbon dioxide is released without producing ATP. c. It limits damaging products of light reactions that build up in the absence of the Calvin cycle at low CO2 concentrations. d. Peroxisomes and mitochondria rearrange and split the compound made by rubisco to fix CO2. e. It occurs in hot and dry conditions.arrow_forwardWhich of the following substances does not participate in the Calvin–Benson cycle? a. ATP d. PGAL b. NADPH e. O2 c. RuBP f. CO2arrow_forwardThe overall purpose of the Calvin cycle is toa. generate molecules of ATP.b. generate NADPH.c. build sugar molecules.d. produce oxygen.arrow_forward
- If the Calvin cycle runs through six turns a. all of the fixed carbon will end up in the same glucose molecule. b. 12 carbons will be fixed by the process. c. enough carbon will be fixed to make one glucose, but they will not all be in the same molecule. d. one glucose will be converted into six CO2.arrow_forwardWhich of the following is a stage in the light independent reactions in photosynthesis (Calvin cycle) Group of answer choices a. release of oxygen b. photolysis of water c. photophosphorylation of ADP d. carboxylation of a 5-C sugararrow_forwardThe light dependent reactions of photosynthesis are characterized by A. oxidation of carbon dioxide, release of oxygen, synthesis of glucose. B. release of oxygen, fixation of carbon dioxide, hydrolysis of ATP. C. oxidation of water, reduction of NADP+ , hydrolysis of ATP. D. reduction of oxygen, oxidation of NADPH, formation of ATP. E. oxidation of water, reduction of NADP+ , formation of ATP.arrow_forward
- Although the Calvin cycle does not depend on light, it generally does not occur during night. What is the reason for this? Select one: a. The Calvin cycle cannot proceed because the products of light reaction are insufficient. b. Enzymes do not function normally due to the low temperature. c. Carbon cannot be fixed because of the low concentration of carbon dioxide. d. Energy is not provided because the electron transport chain is used for respiration. e. Carbon dioxide is not available because the stomata is closed.arrow_forwardWhich of the following statements is/are FALSE? a.NADPH is formed in the stroma. b.The cyclic electron transport involves PSII only. c.pH gradient can be formed from the splitting of H2O. d.In the pH gradient, stroma is acidic and thylakoid space is basic.arrow_forwardWhich of the following occurs ONLY in photosystem I and NOT in photosystem II? a. The energy of exited electrons is passed from one chlorophyll molecule to the next through resonance transfer b. Light energy is harvested by chlorophyll molecules c. A water molecule is split to provide electrons to a special chlorophyll A pair d. Energy harvested in the light-harvesting complexes excites electrons that can be used directly to reduce NADP+ to NADPH e. High-energy electrons are donated to an electron transport chainarrow_forward
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY