Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 8TYK
How is photosynthesis similar in C4 plants and CAM plants?
a. In both cases, the light reactions and the Calvin cycle are separated in both time and location.
b. Both types of plants make sugar without the Calvin cycle.
c. In both cases, rubisco is not used to fix carbon initially.
d. Both types of plants make most of their sugar in the dark.
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Students have asked these similar questions
Which of the following options best explains how less chlorophyll would affect the proces of
photosynthesis in plants?
6.
A. It would increase the rate of photosynthesis because of the increased production of food.
B. It would limit the amount water plants are able to take in, resulting in a slower rate of
photosynthesis.
C. It would increase the production of oxygen because the plant would need to work hard to
feed themselves.
С.
D. It would limit the amount of light absorbed by the plant and decrease the amount of food
the plant is able to produce for itself.
What are the roles of ATP and NADPH in photosynthesis?
a. ATP and NADPH are forms of chemical energy produced from the light dependent reactions to be used in the light independent reactions that produce sugars.
b. ATP and NADPH are forms of chemical energy produced from the light independent reactions, to be used in the light dependent reactions that produce sugars.
c. ATP and NADPH are forms of chemical energy produced from the light dependent reactions to be used in the light independent reactions that produce proteins.
d. ATP and NADPH are forms of chemical energy produced from the light dependent reactions to be used in the light independent reactions that use sugars as reactants.
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
Chapter 7 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 7 - Complete this summary map of photosynthesis.Ch. 7 - In photosynthesis, __________ is oxidized and...Ch. 7 - Which of the following are produced by reactions...Ch. 7 - When light strikes chlorophyll molecules in the...Ch. 7 - The reactions of the Calvin cycle are not directly...Ch. 7 - Which of the following does not occur during the...Ch. 7 - Why is it difficult for C3 plants to carry out...Ch. 7 - How is photosynthesis similar in C4 plants and CAM...Ch. 7 - Compare and describe the roles of CO2 and H2O in...Ch. 7 - Explain why a poison that inhibits an enzyme of...
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- Which 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_forwardHow does the electron transfer pathway from photosynthesis II to photosynthesis I in the light-dependent reactions take place? A. After splitting water in PS-I, high-energy electrons are delivered through the chloroplast electron transport chain to PS-II. B. After the photosynthesis reaction, released products like glucose help in the transfer of electrons from PS-II to PS-I. C. After splitting water in PS-II, high-energy electrons are delivered through the chloroplast electron transport chain to PS-I. D. After the completion of the light-dependent reactions, the electrons are transferred from PS-II to PS-I.arrow_forwardFor items 22 - 25 choose the letter of the best answer. No need to write the explanations.arrow_forward
- If you reduced the density of chlorophyll molecules in a plant by 50%, and as a result chlorophyll molecules were now too far apart for any resonance energy transfer to occur, what would be the most likely impact on the amount of photosynthesis the plant could carry out? a. reduced, by 25% b. reduced by 50% c. reduced by 75% d. reduced by 100%arrow_forwardMagaia et al. illustrated in Figure 2 the relationship of photosynthetic rate and respiration rate of C3 plants as a function of temperature (2015). Which process hampers the carbohydrate synthesis when the temperature exceeds 30°C? a. Light-dependent reaction b. Light-independent reaction c. Photorespiration d. Photolysis of waterarrow_forwardThe C4 photosynthetic pathway A. Is always more efficient than any other type of photosynthesis B. Temporally separates the light reaction and the Calvin cycle C. Allows plants to photosynthesize more efficiently in high light environments D. Is found most often in cactiarrow_forward
- Plants where light independent reactions take place in the same cells as light dependent reactions (mesophyll cells) are using which kind of photosynthesis? A. C3 only B. C4 only C. Either C3 or CAM D. Either C3 or C4arrow_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_forwardA. The C4 plant performs photosynthesis more efficiently than the C3 when the CO2 concentration is 600ppm or less. Provide one reason why the rate of photosynthesis doesn’t change for the C4 plant when the CO2 concentration increases above 400 ppm. B. Discuss what is happening in the C3 plant when the CO2 levels are below 50 ppm. Provide one reason why this does NOT happen to the C4 plant.arrow_forward
- Ribulose bisphosphate carboxylase, which might be the most abundant enzyme on Earth, is part of which photosynthetic reaction? A. the Hill reaction B. the light-independent reaction C. photosystem II D. the light-dependent reaction E. photosystem Iarrow_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_forwardWhat is the difference between the cyclic and noncyclic pathways of photosynthesis? a The cyclic pathway uses electron transport. b The cyclic pathway is light-dependent. c The noncyclic pathway produces NAPDH. d The noncyclic pathway produces ATP.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