Chemicals called uncouplers can make membranes permeable to small molecules and ions. What effect might uncouplers have on photosynthesis? OD. decreased NADPH production because the proton gradient would increase. O A decreased carbohydrate production because ATP would decrease. O C.increased ATP production because cyclic electron transport would increase. O B. decreased NADPH production because the proton gradient would decrease. O E. decreased ATP production because the proton gradient would increase

Chemicals called uncouplers can make membranes permeable to small molecules and ions. What effect might uncouplers have on photosynthesis? OD. decreased NADPH production because the proton gradient would increase. O A decreased carbohydrate production because ATP would decrease. O C.increased ATP production because cyclic electron transport would increase. O B. decreased NADPH production because the proton gradient would decrease. O E. decreased ATP production because the proton gradient would increase

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter6: Where It Starts-photosynthesis

Section: Chapter Questions

Problem 15SA: Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2...

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Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2 fixation b. converts light to chemical energy ____ autotroph c. self-feeder ____ ATP forms NADPH does not d. electrons cycle back to photosystem ____ photorespiration e. problem in C3 plants ____ photosynthesis f. Calvin-Benson cycle product ____ pigment g. water molecules split ____ photolysis in photosynthesis h. rubisco function
What is the energy of a photon first used to do in photosynthesis? a. split a water molecule b. energize an electron c. produce ATP d. synthesize glucose
What two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxide
To reduce six molecules of carbon dioxide to glucose via photosynthesis, how many molecules of NADPH and ATP are required? a. 6 NADPH and 6 ATP b. 12 NADPH and 12 ATP c. 12 NADPH and 18 ATP d. 18 NADPH and 12 ATP e. 24 NADPH and 18 ATP
Compare and contrast cell respiration and photosynthesis. a) Photosynthesis stores energy in NADH while cellular respiration stores energy in ATP. b) Photosynthesis releases CO2 while respiration releases O2. c) Only respiration creates ATP. d) Respiration is catabolic while photosynthesis is anabolic.
Which statement about the light reactions of photosynthesis and cellular respiration is correct? a. Both reactions occur in the cell cytoplasm b. plants do not require mitochondria because they produce ATP via photosynthesis c. ATP is produced as a result of the actions of an electron transport chain in both processes d. Light reactions and cellular respiration produce the same waste products e. the final electron acceptor in the light reactions is oxygen
What happens at the end of the electron transport chain of cellular respiration? A. 4 electrons combine with oxygen (O2) and protons. B. 4 electrons combine with oxygen atom (O) and water. C. The 2 original electrons combine with oxygen (O2). D. The 2 original electrons combine with NAD+. E. 1 electron combines with oxygen (O2) and hydrogen. F. 1 electron combines with oxygen (O2).
Compare and contrast cellular respiration and photosynthesis. A. Photosynthesis stores energy in NADH while cellular respiration stores energy in ATP. B. Respiration is catabolic while photosynthesis is anabolic. C. Only respiration creates ATP. D. Photosynthesis releases C02 while respiration releases 02.
Which is NOT an evolutionary adaptation of plants to minimize the costs of photorespiration while also conserving water on hot days? a. Use more ATP to incorporate CO2 into organic compounds, which increases CO2 concentration in the cell. b. Confine the Calvin cycle to specific cells in order to prevent inefficient rubisco binding and net energy loss. c. Binding O2 to rubisco instead of CO2. d. Uptake CO2 only at night and use ATP to fix it into organic acid for later use during the light reactions, which prevents water loss during the day.
chemicals called uncoouplers can make membranes permeable to small molecules and ions. What effect might uncouplers have on photosyntehesis? increased ATP becuase cyclic electron transport woulnd increase Decrease Atp producctuion because proton gradient woudl increase decreased AtP production because proton gradient would decrease Decreased NADPH production becuause proton gradient would increase Decreased NADPH production because proton gradient would decrease
Through light reductions, ADP is phosphorylated into ATP via chemiosmosis. What is this process called? a. Reduction b. Calvin Cycle c. Photophosphorylation d. Photosynthesis
Which correctly lists the inputs of the Calvin cycle? a) CO2, H2O, ATP, NADPHb) Glucose, ATPc) H2O, photons d) Glyceraldehyde 3-phosphate, ADP, NADP+e) ATP, NADH, FADH2, CO2