What is the role of NADPH in photosynthesis?O a. absorbs light energy.O b. is the primary electron acceptor in the reaction center of PSIO c. produces ATP during the electron transport chain of the light reactionsO d. All of the choicesO e. used in the Calvin cycle

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Biology

What is the role of NADPH in photosynthesis?

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 5SQ

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Concept explainers

Photosynthesis

Plants have a capacity that we humans can only imagine— the ability to produce food from sunlight. Sure, we can prepare some dishes that we can savor on, but it become possible because of the plants (as they serve as a producers of all the raw materials required). Photosynthesis is the method of assembling carbohydrates with the aid of sunlight.

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What is the role of NADPH in photosynthesis?
O a. absorbs light energy.
O b. is the primary electron acceptor in the reaction center of PSI
O c. produces ATP during the electron transport chain of the light reactions
O d. All of the choices
O e. used in the Calvin cycle

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The Calvin-Benson cycle starts with _______. a. the absorption of photon energy b. carbon fixation c. the release of electrons from photosystem II d. NADP+ formation
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
Which of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2
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 is the molecule that leaves the Calvin cycle to be converted into glucose? a. ADP b. G3P c. RuBP d. 3-PGA
The Overall Free Energy Change for Photosynthetic NADP+ Reduction What is the overall free energy change (G) for noncyclic photosynthetic electron transport? 4 (700-nm photons) + 4 (680-nm photons) + 2 H2O + 2 NADP+O2 + 2 NADPH + 2H+
The oxygen released by photosynthesis comes from: a. CO2. b. H2O. c. light. d. NADPH. e. electrons.
Figure 5.7 On a hot, dry day, plants close their stomata to conserve Water. What impact will this have on photosynthesis?
Is the following statement true or false? Unlike animals, which make many ATP by aerobic respiration, plants make all of their ATP by photosynthesis.
When is oxygen produced during photosynthesis? a. light reation alone b. light reation and calvin cycle c.neither the light reaction and calvin cycle d. the calvin cycle alone
The Calvin cycle reactionsa. produce carbohydrate.b. convert one form of chemical energy into a different form ofchemical energy.c. regenerate more RuBP.d. use the products of the light reactions.e. All of these are correct.
How is the difference made up in the Calvin cycle when more ATP is used than NADPH? A. The Calvin cycle occurs half as often as the light-dependent reaction B. The cyclic pathway creates more ATP C. Additional ATP is created from glucose D. Excess NADPH is reused in the light reaction