Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 15, Problem 4RQ
Summary Introduction
To review:
The consumption and reformation of ribulose 1, 5-bisphosphate in the Calvin cycle and the key products that emerge to form sugars and amino acids.
Introduction:
Calvin cycle is a light-independent reaction that takes place in the absence of light in a process such as photosynthesis. This reaction depends on light indirectly for the energy units like ATP (Adenosine triphosphate). Ribulose 1,5 bisphosphate is a negatively charged, 5-carbon organic sugar. Â
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What is the main final product of the calvin cycle?How many turns of the calvin cycle are needed to produce this product?
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Microbiology: An Evolving Science (Fourth Edition)
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- Which part of the Calvin cycle would be affected if a cell could not produce the enzyme RuBIsCO?arrow_forwardWhich of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2arrow_forwardWhat is the molecule that leaves the Calvin cycle to be converted into glucose? a. ADP b. G3P c. RuBP d. 3-PGAarrow_forward
- The Calvin cycle requires both ATP and NADPH. Which of these molecules provides the major input of energy needed to synthesize carbohydrates?arrow_forwardHow does the production of sugars by tropical plants differ from the same reactions in the Calvin cycle?arrow_forwardWhy does it take three turns of the Calvin cycle to produce G3P, the initial product of photosynthesis?arrow_forward
- what is the process called that provides the energy to pump protons during the light dependent reactions of photosynthesis? which direction are protons pumped?arrow_forwardWhat is the carbon fixation in photosynthesis?arrow_forwardWhat is the significance of the proton gradient that is established across the thylakoid membrane during electron transport in the thylakoid?arrow_forward
- What is the general chemical equation of photosynthesis? Why doesn't that equation clearly show the real origin of the molecular oxygen liberated?arrow_forward• Which phase of photosynthesis uses photosystems?• What is one of the molecules that is produced during this phase ofphotosynthesis?arrow_forwardWhat are the outputs of the Calvin cycle? What is the primary function of the Calvin cycle?arrow_forward
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