Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 8, Problem 18RQ
Where in eukaryotic cells does the Calvin cycle take place?
- thylakoid membrane
- thylakoid lumen
- chloroplast stroma
- granum
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In what part of chloroplasts do the coupled redox reactions occur?
stroma membrane
thylakoid membrane
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thylakoid lumen
stroma
Where does the Calvin-Benson cycle occur in chloroplasts?
Chloroplast outer membrane
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Thylakoid compartment
What is required for simple diffusion?
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Which of the following is NOT a component of a photosystem?
Chlorophyll pigments
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Stomata and guard cells
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What does NOT occur in C4
The Calvin cycle takes place In bundle-sheath cells.
Photorespiration is minimized
CO2 is first fixed to form a four-carbon molecule.
CO2 is first produced in the mesophyll cells using rubisco to form a six-carbon molecule
Light energy that is capture in photosynthesis is converted to ______ energy stored in chemical bonds of molecules.
Potential
Sound
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Why do photosynthesizes contain accessory pigments in addition to chlorophyll a?
To reflect different wavelengths on the exterior of the photosynthetic organism.
To filter light such that only photons of the right wavelength reach chlorophyll a.
To absorb wavelengths of light that chlorophyll a cannon and extend the range of the wavelengths captured.…
Chapter 8 Solutions
Biology 2e
Ch. 8 - Figure 8.6 On a hot, dry day, plants close their...Ch. 8 - Figure 8.16 What is the source of electrons for...Ch. 8 - Figure 8.18 Which of the following statements is...Ch. 8 - Which of the following components is nor used by...Ch. 8 - What two main products result from photosynthesis?...Ch. 8 - In which compartment of the plant cell do the...Ch. 8 - Which statement about thylakoids in eukaryotes is...Ch. 8 - Predict the end result if a chloroplast’s light-,...Ch. 8 - How are the NADPH and GA3P molecules made during...Ch. 8 - Which of the following structures is not a...
Ch. 8 - How many photons does it take to fully reduce, one...Ch. 8 - Which complex is not involved in the establishment...Ch. 8 - From which component of the light-dependent...Ch. 8 - Three of the same species of plant are each grown...Ch. 8 - Plants containing only chlorophyll b are exposed...Ch. 8 - Which molecule must enter the Calvin cycle...Ch. 8 - Which order of molecular conversions is correct...Ch. 8 - Where in eukaryotic cells does the Calvin cycle...Ch. 8 - Which statement correctly describes carbon...Ch. 8 - If four molecules of carbon dioxide enter the...Ch. 8 - What is the overall outcome of the light reactions...Ch. 8 - Why are carnivores, such as lions, dependent on...Ch. 8 - Why are energy carriers thought of as either...Ch. 8 - Describe how the grey wolf population would be...Ch. 8 - How does the closing of the stomata limit...Ch. 8 - Describe the pathway of electi on transfer from...Ch. 8 - What are the roles of ATP and NADPH in...Ch. 8 - How and why would the end products of...Ch. 8 - Why is the third stage of the Calvin cycle called...Ch. 8 - Which part of the light-independent reactions...Ch. 8 - Why does it take three turns of the Calvin cycle...Ch. 8 - Imagine a sealed terrarium containing a plant and...Ch. 8 - Compare the flow of energy with the flow of,...
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- Where does the Calvin Cycle occur? In the thylakoid membrane In the thylakoid space In the stroma In the intermembrane spacearrow_forwardDuring what stage of the Calvin cycle are hexose sugars formed? stage 4 stage 1 stage 5 stage 2 stage 3arrow_forwardDuring light-generated photosynthesis reaction pH is lowered in 1. Thylakoid lumen 2. Thylakoid stroma 3. Chloroplast intermembrane space 4. Cytoplasmarrow_forward
- Which of the following is in the correct order from smallest to largest? Thylakoid disk, Photosystem I, mesophyll cell, chloroplast, leaf Photosystem II, Chloroplast, thylakoid disk, mesophyll cell, leaf Thylakoid disk, Photosystem II, chloroplast, mesophyll cell, leaf Photosystem II, Thylakoid disk, chloroplast, mesophyll cell, leafarrow_forwardThe light reactions of photosynthesis take place in the thylakoid disk the outer membrane of the chloroplast the stroma of the chloroplast cytoplasm of the host cellarrow_forwardWhat is the carbon-fixing enzyme of the Calvin-Benson cycle? Chlorophyll a Stroma Rubisco ATP synthasearrow_forward
- Which of the following statements is FALSE about photosystem II? generates NADPH generates protons, setting up a proton concentration gradient generates electrons that are passed to P680 chlorophylls uses water as the initial electron donor and generates oxygenarrow_forwardDiagram 4: The Light Reactions of Photosymtnes STROMA dow soncentrations Photoeystem PhotoeytmE oomple Light Ligt THYLAKOID SPACE Ohigh concentration) Thylakold membrane ATP wynthase STROMA low H concentration) ADP en from a chloroplast inside of a le the light dependent cyde that take place along the thylakoid membrane a Diagram 4 shows a single thylakoid membrane In photosystem I and II, an electron will O be transferred to ATP be transferred to NADPH lose energy gain energyarrow_forwardWhich compartment of the chloroplast is most similar to the mitochondrial matrix? the space between the inner and outer membrane the thylakoid membrane the thylakoid lumen the stroma the photosystemsarrow_forward
- Which among the following statements is CORRECT? The thylakoid membrane, in the chlorophyll, contains photosystems which are used to capture photons and excite electrons Electrons excited in photosystem II help the chloroplast produce NADPH Stroma is a gelatinous matrix inside chloroplast that contains ribosomes, DNA, and enzymes Electrons excited in the photosystem I help the chloroplast produce ATParrow_forwardWhich of the following reactions produces the oxygen released by photosynthesis? chemiosmosis reduction of NADP+ splitting of water molecules electron transfer in photosystem Iarrow_forwardBelow is a cutaway drawing of a chloroplast. Please answer the following questions by choosing from the Word Bank. Grana CO2 fixation the Outer Membrane Photophosphorylation The arrow at "A" is pointing at the the bracket at "D" is Thylakoids Calvin Cycle function performed in the "B" area is occurs at arrow or at arrow The structure that receives input from "F" is F Stroma The arrow at "C" is pointing at the 3 Dark Reaction Light Reaction Inner membrane CK The arrow at "B" is pointing at The function performed at “C” and at "D" is [ The arrow at "E" is pointing at the The structure indicated by The ATP is synthesized at arrow The dark reactionarrow_forward
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