BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 8, Problem 2A
If you could measure pH within a chloroplast, where would it be lowest?
a. In the stroma
b. In the lumen of the thylakoid
c. In the cytoplasm immediately outside the chloroplast
d. In the antenna complex
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In which compartment of the chloroplast and mitochondrion does the ATP synthase pump the protons respectively?
a.
Stroma and matrix
b.
Lumen and thylakoid membrane
c.
Lumen and intermembrane space
d.
Matrix and thylakoid lumen
Which part of the chloroplast MOST clearly uses modified surface-area-to-volume ratios to function efficiently?
A.Thylakoid
B.Outer membrane
C.Stroma
D.ATP synthase
Which part of the chloroplast MOST clearly uses modified surface-area-to-volume ratios to function efficiently?
A.
thylakoid
B.
outer membrane
C.
stroma
D.
ATP synthase
Chapter 8 Solutions
BIOLOGY
Ch. 8.1 - Prob. 1LOCh. 8.1 - Prob. 2LOCh. 8.2 - Prob. 1LOCh. 8.2 - Differentiate between the light-dependent and...Ch. 8.3 - Discuss how pigments are important to...Ch. 8.3 - Prob. 2LOCh. 8.4 - Prob. 1LOCh. 8.4 - Prob. 2LOCh. 8.5 - Prob. 1LOCh. 8.5 - Prob. 2LO
Ch. 8.6 - Describe carbon fixation.Ch. 8.6 - Prob. 2LOCh. 8.7 - Prob. 1LOCh. 8.7 - Prob. 2LOCh. 8 - Prob. 1DACh. 8 - Prob. 2DACh. 8 - Prob. 3DACh. 8 - The light-dependent reactions of photosynthesis...Ch. 8 - Which region of a chloroplast is associated with...Ch. 8 - The colors of light that are most effective for...Ch. 8 - During noncyclic photosynthesis, photosystem I...Ch. 8 - How is a reaction center pigment in a photosystem...Ch. 8 - The ATP and NADPH from the light reactions are...Ch. 8 - The carbon fixation reaction converts a. inorganic...Ch. 8 - Prob. 8UCh. 8 - Prob. 1ACh. 8 - If you could measure pH within a chloroplast,...Ch. 8 - Prob. 3ACh. 8 - If the Calvin cycle runs through six turns a. all...Ch. 8 - Prob. 5ACh. 8 - Given that the C4 pathway gets around the problems...Ch. 8 - If the thylakoid membrane became leaky to ions,...Ch. 8 - The overall process of photosynthesis a. results...Ch. 8 - Compare and contrast the fixation of carbon in C3,...Ch. 8 - Diagram the relationship between the reactants and...Ch. 8 - Do plant cells need mitochondria? Explain your...
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- What is the BEST explanation for why thylakoid membranes are flat and stacked? A. to fit more into a chloroplast B. to increase surface area for light absorption and cross- membrane traffic C. to increase the color of the leaf as camouflage from herbivores D. to hold more ATParrow_forwardWhich molecule conveys protons from the chloroplast stroma into the thylakoid lumen? a. cytochrome b6-f b. plastocyanin c. phytochrome d. cytochrome c e. oxygenarrow_forwardIn the light-dependent reactions, what accumulates in the thylakoid compartment of chloroplasts? a. sugars c. O2 b. hydrogen ions d. CO2arrow_forward
- Are chloroplast moving or stationary? Make an inference to explain thisarrow_forwardWhat fundamental structure organization allows both chloroplasts and mitochondria to establish a chemiosmotic gradient? a. Phospholipid bilayer b. Double membrane c. Electron transport chain d. Cytochrome complexarrow_forwardA researcher decides to isolate thylakoid membranes and add protons to the space inside the thylakoids by soaking the thylakoids in acetic acid, which diffuses through the membrane, and then washing the thylakoids very quickly. What will happen? A. The scheme will run in reverse. B. ATP will be able to be made without light. C. Light will be emitted by the thylakoids. D. The membranes will dissolve.arrow_forward
- In a photosynthetic plant cell, chlorophyll is located: a. in the stroma b. in the outer membrane of the chloroplast envelope c. in the intervascular space of the chloroplast d. in the inner membrane of the chloroplast envelope e. in the thylakoidsarrow_forwardCompare photophosphorylation and oxidative phosphorylation. How is chemiosmosis in chloroplasts different from chemiosmosis in mitochondria? a. Chemiosmosis is used in chloroplasts to transfer chemical energy from organic molecules to ATP. b. In mitochondria, light is transformed into ATP using photosystems I and II. c. Chemiosmosis in mitochondria occurs across an intra-organelle membrane, where it does not in chloroplasts. d. In chloroplasts, the high-energy electrons come from water.arrow_forwardDefine the following terms: a. photosynthesis b. thylakoid membrane c. MAP d. IFT e. polycystic kidney diseasearrow_forward
- Plant is autotroph which means it can make its own nutrients by photosynthesis. a. Define photosynthesis. b. Photosynthesis takes place in the mesophyll cells. Name the cells, then complete the table below. Cell Name Shape and Arrangement Function c. Other than from photosynthesis, plant can get nutrients from the soil. Name 4 minerals that the plant gets from the soil, then state the functions. d. With reference to diffusion, osmosis, and active transport, explain how the root hair cell absorbs water and mineral ions from the soil. Water... Mineral ions..arrow_forwardWhich 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 oxygenarrow_forwardWhere in eukaryotic cells does the Calvin cycle take place? a. thylakoid membrane b. thylakoid lumen c. chloroplast stroma d. granumarrow_forward
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