When the ratio of O2 to CO2 within their leavesC3 plants undergo a shift toward moreand lessdecreases; photorespiration; carbon fixationincreases; growth; carbon fixationO decreases; photorespiration; growthincreases; carbon fixation; photorespirationO increases; photorespiration; carbon fixation

RUBP is a key enzyme in photosynthesis. It incorporates carbon dioxide into an organic molecule…

When the ratio of O2 to CO2 within their leaves C3 plants undergo a shift toward more . and less decreases; photorespiration; carbon fixation increases; growth; carbon fixation decreases; photorespiration; growth increases; carbon fixation; photorespiration increases; photorespiration; carbon fixation O O O

When the ratio of O2 to CO2 within their leaves C3 plants undergo a shift toward more . and less decreases; photorespiration; carbon fixation increases; growth; carbon fixation decreases; photorespiration; growth increases; carbon fixation; photorespiration increases; photorespiration; carbon fixation O O O

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter5: Capturing And Releasing Energy

Section: Chapter Questions

Problem 4SQ

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Similar questions

Gas exchange in a plant's leaf consists of _____ entering the leaf tissue, and _____ exiting from it. A)oxygen (O2); carbon dioxide B)carbon dioxide; ammonia C)carbon dioxide; oxygen (O2) D)water; carbon dioxide 16.
Which process is most directly driven by light energy? A. creation of a pH gradient by pumping protons across the thylakoidmembraneB. removal of electrons from chlorophyll moleculesC. reduction of NADP+ moleculesD. carbon fixation in the stroma
Which of the following resource(s) do plants need to survive (select all that apply): A. O2 for cellular respiration B. nitrogen and minerals as molecular building blocks C. Glucose for cellular respiration D. CO2 for photosynthesis E. H2O for structure and turgor pressure
What are potential outcomes when a plant's stomata close in response to heat and water stress? Select all that apply. CO2 and O2 may compete for the active site of rubisco. Photorespiration is more likely to occur. Photosynthesis is more efficient. Gas exchange comes to a halt.
Which 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.
In the absence of sunlight, plants are not able to engage in theCalvin cycle due to a lack ofa. ATP.b. oxygen.c. NADPH.d. Both a and c are correct.
All of the following processes are involved in the carbon cycle except:a. photosynthesisb. cell respirationc. evaporationd. decomposition
The Calvin Cycle: a. Cannot occur in the light. b. Is independent of the light reactions. c. Is a requirement for photosynthetic plants but has no effect on the rest of the biosphere
Which of the following occurs during the carbon-fixation reactions of photosynthesis? A. Water is converted into hydrogen and water. B. CO2 is converted into sugars. C. Chlorophyll acts as an enzyme. D. Nothing occurs; the plant rests in the dark. E. Glucose and oxygen are reduced to CO2 and water.
The light-dependent reactions do not produce ___. H+ oxygen ATP NADPH glucose
What is correct when it comes to the cyclic photophosporylation I. Only ATP is producedII. Both ATP and NADH are producedIII. Only NADH is producedIV. Occurs with photolysis of water
About half the dry weight of a plant's body is carbon. Where do plants get the carbon? From water From sunlight From dead organic matter in the soil From CO2