CONNECT ACCESS FOR BIOL 01204 <C>
12th Edition
ISBN: 9781264443123
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 8, Problem 4U
During noncyclic photosynthesis, photosystem I functions to ___________, and photosystem II functions to ______________.
a. synthesize ATP; produce O2
b. reduce NADP+; oxidize H2O
c. reduce CO2; oxidize NADPH
d. restore an electron to its reaction center; gain an electron from water
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The role of photosystem 1 and photosystem 2 in the process of photosynthesis is to
a. absorb sunlight and distribute the energy as heat
b. absorb sunlight and transfer the energy to electrons
c. form ATP as hydrogen ions cross the thylakoid membrane
d. transfer electrons to form NADPH
Which of the following are the products of the light reactions of photosynthesis.
A. Glucose
B. Water
C. ATP
D.NADP
E. Light energy
F. NADPH
G. Carbon dioxide
H. Oxygen
Which of the following are reactants of the light reactions of photosynthesis.
A. Glucose
B. Water
C. ATP
D. NADP
E. Light energy
F. NADPH
G. Carbon dioxide
H. Oxygen
Chapter 8 Solutions
CONNECT ACCESS FOR BIOL 01204 <C>
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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- In ________, electrons that have been energized by light contribute their energy to add phosphate to ADP, producing ATP. (a) crassulacean acid metabolism (b) the Calvin cycle (c) photorespiration (d) C4 pathways (e) photophosphorylationarrow_forwardThe Calvin-Benson cycle starts with _______. a. the absorption of photon energy b. carbon fixation c. the release of electrons from photosystem II d. NADP+ formationarrow_forwardExplain the reciprocal nature of the net chemical reactions for photosynthesis and respiration.arrow_forward
- Which of the following occurs ONLY in photosystem I and NOT in photosystem II? a. The energy of exited electrons is passed from one chlorophyll molecule to the next through resonance transfer b. Light energy is harvested by chlorophyll molecules c. A water molecule is split to provide electrons to a special chlorophyll A pair d. Energy harvested in the light-harvesting complexes excites electrons that can be used directly to reduce NADP+ to NADPH e. High-energy electrons are donated to an electron transport chainarrow_forwardWhich of the following descriptions about photosystems during linear electron flow is not correct? Select one: a. energy required for ATP synthesis is provided when electrons pass through the electron transport chain from photosystem I b. photosystem II works before photosystem I c. P680 is the chlorophyll a pair that exists in photosystemII d. the primary electron acceptor receives electrons from P680 or P700 e. P680+ receives electrons from the splitting of waterarrow_forwardFrom which component of the light-dependent reactions does NADPH form most directly? a. photosystem II b. photosystem I c. cytochrome complex d. ATP synthasearrow_forward
- Which of the following processes during photosynthesis is incorrectly coupled to its typical location? Select one: a. Rubisco catalyzes carbon fixation—stroma b. ATP is produced via ATP synthase—thylakoid lumen c. NADPH is oxidized to NADP+—stroma d. Oxygen gas is produced by splitting of water—thylakoid lumen e. Activated P680 donates an electron to the primary electron acceptor—thylakoid membranesarrow_forwardThe light dependent reactions of photosynthesis are characterized by A. oxidation of carbon dioxide, release of oxygen, synthesis of glucose. B. release of oxygen, fixation of carbon dioxide, hydrolysis of ATP. C. oxidation of water, reduction of NADP+ , hydrolysis of ATP. D. reduction of oxygen, oxidation of NADPH, formation of ATP. E. oxidation of water, reduction of NADP+ , formation of ATP.arrow_forwardPhotosynthesis A. is the only energy-generating pathway for plants, cyanobacteria, and algae. B. consist two stages: light-dependent stage which fix CO₂, light-independent stage which generate glucose. C. can capture and convert energy from light to chemical energy in the form of ATP and NADPH. D. oxidize organic carbon molecule to CO₂, while reduce water to oxygen.arrow_forward
- Which of the following descriptions about photorespiration is not correct? Select one: a. Rubisco binds O2 instead of CO2. b. Carbon dioxide is released without producing ATP. c. It limits damaging products of light reactions that build up in the absence of the Calvin cycle at low CO2 concentrations. d. Peroxisomes and mitochondria rearrange and split the compound made by rubisco to fix CO2. e. It occurs in hot and dry conditions.arrow_forwardWhich of the following changes would decrease ATP production in the light-dependent reactions of photosynthesis? a. decreasing the pH of the thylakoid lumen b. decreasing the pH of the chloroplast stroma c. increasing the concentration of NADP+ in the chloroplast stroma d. making the thylakoid membrane freely permeable to protons by adding a proton channel e. two of the above would decrease ATP productionarrow_forwardWhich of the following are reactants of the Dark (light independent, Calvin cycle) reactions of photosynthesis. A. Glucose B. Water C. ATP D. NADP E. Light energy F. NADPH G. Carbon dioxide H. Oxygenarrow_forward
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