Inquiry Into Life (16th Edition)
16th Edition
ISBN: 9781260231700
Author: Sylvia S. Mader, Michael Windelspecht
Publisher: McGraw Hill Education
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Textbook Question
Chapter 8.2, Problem 4CYP
Describe why the H+ gradient across a thylakoid membrane is referred to as a storage of energy.
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Describe why the H+ gradient across a thylakoid membraneis referred to as a storage of energy.
Draw a basic drawing of a thylakoid membrane that is actively engaged in chemiosmosis and mark the two compartments it divides. Add the ATP synthase complex, indicate the proton gradient, and define which compartment ATP is generated in.
Draw a thylakoid disc. Label the following components:
Thylakoid membrane
Thylakoid space (lumen)
PS1
PS2
Ferredoxin
NADP Reductase
Stroma
ATP Synthase
Chapter 8 Solutions
Inquiry Into Life (16th Edition)
Ch. 8.1 - Compare and contrast autotrophs and heterotrophs.Ch. 8.1 - Prob. 2LOCh. 8.1 - Prob. 3LOCh. 8.1 - Prob. 4LOCh. 8.1 - Prob. 1CYPCh. 8.1 - Prob. 2CYPCh. 8.1 - State the overall equation for photosynthesis.Ch. 8.1 - Prob. 4CYPCh. 8.2 - Prob. 1LOCh. 8.2 - Prob. 2LO
Ch. 8.2 - Prob. 3LOCh. 8.2 - Prob. 1CYPCh. 8.2 - Prob. 2CYPCh. 8.2 - Prob. 3CYPCh. 8.2 - Describe why the H+ gradient across a thylakoid...Ch. 8.3 - Describe the three phases of the Calvin cycle.Ch. 8.3 - Prob. 2LOCh. 8.3 - Prob. 1QTCCh. 8.3 - Prob. 2QTCCh. 8.3 - Prob. 1CYPCh. 8.3 - Prob. 2CYPCh. 8.3 - Prob. 3CYPCh. 8.4 - Contrast C3, C4, and CAM photosynthesis.
Ch. 8.4 - Prob. 2LOCh. 8.4 - Prob. 1CYPCh. 8.4 - Prob. 2CYPCh. 8.4 - Prob. 1QTCCh. 8.4 - Prob. 2QTCCh. 8.5 - Prob. 1LOCh. 8.5 - Prob. 2LOCh. 8.5 - Explain the similarities, and difference, between...Ch. 8.5 - Prob. 2CYPCh. 8 - Prob. S3.3BYBCh. 8 - Figure 6.1 How does energy flow in biological...Ch. 8 - Prob. S6.3BYBCh. 8 - Prob. 1ACh. 8 - Prob. 2ACh. 8 - Prob. 3ACh. 8 - Prob. 4ACh. 8 - Prob. 5ACh. 8 - Prob. 6ACh. 8 - Prob. 7ACh. 8 - Prob. 8ACh. 8 - Prob. 9ACh. 8 - Prob. 10ACh. 8 - Prob. 11ACh. 8 - Prob. 12ACh. 8 - Prob. 1TCCh. 8 - Prob. 2TCCh. 8 - Prob. 3TC
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- what is the protein complex embedded in the thylakoid membrane that allows protons to flow down their concentration gradient from thylakoid lumen to the stroma? also, the free energy from the flow of protons is used to power which process?arrow_forwardInside the thylakoid is a fluid-filled space calledarrow_forwardDescribe the organization of the thylakoid and how thisorganization is critical to the production of ATP duringphotosynthesis.arrow_forward
- Draw a graph of the functional responses of the photosynthetic rate of a C4 and a CAM plant (2 lines) over the range of PAR.arrow_forwardW hen a culture of Chlamydomonas is exposed to HIGH intensity light, the cells will display negative phototaxis and move away from the light. Which of the following could act as a cellular signal triggering movement away from the light? A. Low levels of P700+ relative to P700 in the chloroplast. B. High levels of G3P in the cytosol. C. High levels of NAD+ relative to NADH in mitochondria. D. Low levels of ATP relative to ADP in the cytosol.arrow_forwardExplain the chemiosmotic mechanism of ATP generation. How does oxidative phosporylation compare with substrate level phosphorylation found in glycolic and the Krebs cycle?arrow_forward
- Assume a pH gradient of 4.0 units across a thylakoid membrane, with the lumen more acidic than the stroma.What is the longest wavelength of light that could provide enough energy per photon to pump one proton against this gradient, assuming 20% efficiency in photosynthesis and T = 25 °C?arrow_forwardAssume a pH gradient of 4.0 units across a thylakoid membrane, with the lumen more acidic than the stroma. What is the longest wavelength of light that could provide enough energy per photon to pump one proton against this gradient, assuming a 20% efficiency in photosynthesis and T = 25 °C?arrow_forwardA key experiment that helped put doubts to rest regarding the chemiosomotic theory used an artificial vesicle, a light activated proton pump, and ATP synthase. Which of the following are true about this experiment? (select all that apply) Group of answer choices The inside of the vesicle is more negatively charged when the light is turned on ATP production would decrease if the proton pump was not included in the experiment Adding UCP1 into the experiment would increase ATP production ATP production increases when the light is turned on The pH inside the vesicle decreases when the light is turned on The final stage of the electron transport chain is the transfer of the electrons to ATP synthase. Group of answer choices True False Complex I can accept electrons from NADH using binding sites on both the matrix and intermembrane space sides of the inner mitochondrial membrane Group of answer choices True False Different iron-sulfur clusters can have different…arrow_forward
- A damage in the thylakoid membrane caused the protons to leak into the stroma. Which of the following processes will be most affected? * synthesis of ATP splitting of water absorption of light energy by chlorophyll flow of electrons from PSII to PSIarrow_forwardExplain, using a diagram, how during acyclic photophosphorylation (photophase) an electrochemical gradient is produced within reservoirs in the grana of chloroplasts. What is the result?arrow_forwardDescribe how guard cells regulate transpiration .arrow_forward
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