Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 7, Problem 10TYK
Explain why a poison that inhibits an enzyme of the Calvin cycle will also inhibit the light reactions.
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Chapter 7 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 7 - Complete this summary map of photosynthesis.Ch. 7 - In photosynthesis, __________ is oxidized and...Ch. 7 - Which of the following are produced by reactions...Ch. 7 - When light strikes chlorophyll molecules in the...Ch. 7 - The reactions of the Calvin cycle are not directly...Ch. 7 - Which of the following does not occur during the...Ch. 7 - Why is it difficult for C3 plants to carry out...Ch. 7 - How is photosynthesis similar in C4 plants and CAM...Ch. 7 - Compare and describe the roles of CO2 and H2O in...Ch. 7 - Explain why a poison that inhibits an enzyme of...
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- Which 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_forwardWhat is the overall purpose of the light reactions in photosynthesis?arrow_forward
- Melvin Calvin and Andrew Benson determined the steps in the light-independent reactions of photosynthesis by exposing the green alga Chlorella to CO2 labeled with the radioisotope carbon 14. By looking at which compounds the C14 ended up in, they were able to identify all intermediates in this cyclic pathway. Why did they predict correctly that the same set of intermediates would be formed in the light reaction in land plants?arrow_forwardDescribe the regulation of the rubisco enzyme in the calvin cycle and explain the importance of this regulatory steparrow_forwardWhat is the name of the molecule that transports high energy electrons from the light reactions to the Calvin Cycle? ADP NAD ATP NADParrow_forward
- The main purpose of the light reactions in photosynthesis is Group of answer choices to take the high energy electrons out of glucose. to generate ATP and NADPH to send to the Calvin Cycle. to produce all the ATP the plant cell needs for its cellular work. to produce enough oxygen gas for humans to survive.arrow_forwardExplain, using a diagram, the relationship between acyclic photophosphorylation (photophase) and the Calvin cycle (dark phase). 2) Make a table that shows the energy produced by the respiration of molecules and do the final ATP count.arrow_forwardWhich two products of the light-dependent reactions are used up in the Calvin cycle? Rubisco adds a CO2 molecule to a sugar that contains _______ carbons. The reaction product immediately splits into two sugars that each contain _______ carbons. O2 can compete with CO2 for a place in the rubisco active site. As a consequenceO2 is incorporated into RuBP instead of CO2. Why might this be a disadvantage?arrow_forward
- The most important result of the light-independent (or Calvin Cycle) reactions is: ??? the addition of phosphate to sugar to form sugar-phosphate the synthesis of sugar from CO2 the change of chlorophyll from green to colorless the transfer of electrons to glucose molecules the rearrangement of sugar molecules to form O2 from H2Oarrow_forwardwhen three molecules of carbon dioxide (CO2) react with three molecules of RuBP during the Calvin Cycle, six molecules of the sugar G3P are produced. One G3P molecule exits the Calvin cycle during Phase 2. What happens to the other five G3P molecules.arrow_forwardIn 1-3 sentences, explain why a poison that inhibits an enzyme of the calvin cycle will also inhibit the light reaction?arrow_forward
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