BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 8, Problem 3TY
Summary Introduction
Introduction: The light-dependent reaction of photosynthesis contains two pigments. The photosystem I and photosystem II, absorb the light at a wavelength of 700 nanometers and 680 nanometers respectively. The electron moves from photosystem II to I in a zigzag motion to finally produce ATP and NADPH.
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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
The products of the light-dependent reactions feed intoa. the Calvin cycle. c. glycolysis.b. photosystem I. d. the Krebs cycle
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.
Chapter 8 Solutions
BIOLOGY
Ch. 8.1 - Core Skill: Modeling The goal of this modeling...Ch. 8.1 - Prob. 2CSCh. 8.1 - Can the Calvin cycle occur in the dark?Ch. 8.2 - Prob. 1CCCh. 8.2 - Prob. 2CCCh. 8.2 - Prob. 3CCCh. 8.2 - Prob. 4CCCh. 8.2 - Why does cyclic photophosphorylation provide an...Ch. 8.2 - Prob. 6CCCh. 8.3 - Prob. 1CC
Ch. 8.4 - Prob. 1CCCh. 8.4 - Prob. 1EQCh. 8.4 - Prob. 2EQCh. 8.4 - Prob. 3EQCh. 8.5 - Prob. 1CCCh. 8.5 - Prob. 2CCCh. 8 - The water necessary for photosynthesis a. is split...Ch. 8 - In PSII, P68o differs from the pigment molecules...Ch. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - Prob. 6TYCh. 8 - Prob. 7TYCh. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - Prob. 10TYCh. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Discuss the advantages and disadvantages of being...Ch. 8 - Biotechnologists are trying to genetically modify...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements is/are FALSE? a.NADPH is formed in the stroma. b.The cyclic electron transport involves PSII only. c.pH gradient can be formed from the splitting of H2O. d.In the pH gradient, stroma is acidic and thylakoid space is basic.arrow_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_forwardWhich of the following are inputs to photosynthesis? Choose all that apply. Which are outputs? Choose all that apply. a. CO2 b. O2 c. sugar d. H2O e. lightarrow_forward
- Both the light reactions and light-independent reactions of photosynthesis… Select one: a. None of the options are true. b. use NADPH. c. fix CO2. d. synthesize ATP. e. rely on electron transport.arrow_forwardIn the photosynthetic formation of ATP, the enzyme ATP synthase couples the synthesis of ATP to: A. the diffusion of protons B. the reduction of NADP+ C. the excitation of chlorophyll D. the reduction of chlorophyll E. CO2 fixationarrow_forwardThe oxygen given off by photosynthesis comes froma. H2O. c. glucose.b. CO2. d. RuBP.arrow_forward
- Which 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_forwardWhich 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_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
- Photorespiration is avoided in C4 plants becausea. these plants separate the formation of a four-carbon molecule fromthe rest of the Calvin cycle in different cells.b. these plants carry out only anaerobic respiration.c. the enzyme PEP carboxylase functions to maintain high CO2concentrations in the bundle-sheath cells.d. all of the above.e. a and c onlyarrow_forwardWhich of the following substances does not participate in the Calvin–Benson cycle? a. ATP d. PGAL b. NADPH e. O2 c. RuBP f. CO2arrow_forwardWhich of the following is true of light-independent reactions of photosynthesis? Select all that apply. a. Light-independent reactions occur in the stroma. b. Water molecules are split during light-independent reactions. c. Chlorophyll absorbs energy from sunlight. d. Carbon dioxide is necessary for light-independent reactions.arrow_forward
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY