In photosynthesis, the oxygen gas produced comes from CO2. -True -False The Calvin cycle is composed of “uphill” reactions. -True -False In the mitochondrial ETC, NADH and FADH2 are sources of electrons. -True -False In the ETC (either in respiration or photosynthesis) H+ gets pumped through ATP synthase. '-True - false

In photosynthesis, the oxygen gas produced comes from CO2. -True -False The Calvin cycle is composed of “uphill” reactions. -True -False In the mitochondrial ETC, NADH and FADH2 are sources of electrons. -True -False In the ETC (either in respiration or photosynthesis) H+ gets pumped through ATP synthase. '-True - false

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter7: Releasing Chemical Energy

Section: Chapter Questions

Problem 1SA: Is the following statement true or false? Unlike animals, which make many ATP by aerobic...

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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+
A decrease in entropy occurs during the CO2 uptake phase of the Calvin cycle, as freely moving CO2 molecules become fixed into a carbon skeleton. How can this occur without direct participation by NADPH and/or ATP?
Why is this statement incorrect? The light reactions of photosynthesis will, with continual light, keep producing more and more ATP and NADPH even if the Calvin cycle was shut down.
True or False: The amount of ATP and NADPH produced during photosynthesis depends on the last electron acceptor of the electron transport chain. 2. Photosystems I and II have two special chlorophyll molecules that absorbs photons at different wavelengths. 3. The movement of electrons during photosynthesis is from PS I to PS II.
In chapter 9 you were given the overall equation for respiration. In Chapter 10 you were given the overall equation for photosynthesis. It has been said that photosynthesis is the opposite of respiration. But is it really? Describe several of the similarities between photosynthesis and respiration, and list several ways in which these reactions are quite different from each other.
Photosynthesis is the most important producer of molecular oxygen (O2) on our planet. From which molecule do oxygen atoms liberated by photosynthesis come? From which other molecule could one suspect they have come? What are the destinations of those oxygen atoms?
What would be the immediate effect on the Calvin Cycle if a photoautotroph could no longer generate NADPH? -More ATP would have to be used to substitute for NADPH -The organism would have to go through more cycles of the Calvin Cycle in order to make the same amount of glucose -The organism would not be able to fix carbon -None of the other choices G3P could not be produced
Which of the following events happens during the Calvin Cycle stage of photosynthesis? A. H2O is split to produce oxygen. B. NADPH and ATP are produced. C. Carbon is fixed from CO2 into RuBP. D. Transfer of electrons from carrier to carrier.
Hi, I am doing a question on photosynthesis and I have a question about the answer that was provided. The question states: If four molecules of CO2 enter the Calvin cycle, how many molecules of G3P are produced, and how many molecules are exported? I know that each turn makes 2 G3P so it would make 8 molecules. When I read the book it said that 3 turns makes 6 and then 1 is exported, so why does 4 turns make 8 and 4 be exported?
In what form or forms is chemical energy added to intermediates in the Calvin Cycle? ATP and NADPH only NADPH calories from glucose only ATP
Which of the following statements about photosynthesis is NOT true? Light independent reactions are very similar to the electron transport chain of cellular respiration Light is absolutely essential for both aspects of photosynthesis In order replace electrons, water is split to form oxygen gas Light dependent reactions are very similar, but in reverse, to the Krebs cycle and glycolysis
How electron carriers differ in photosynthesis and cellular respiration? a. NADPH is an oxidant while NADH is a reductant. b. NADPH and NADH differ in terms of the number of electrons being shuttled. c. NADPH transfers electrons to 1,3-bisphosphoglycerate while NADH transfers electrons to ETC. d. None of the above