Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 8, Problem 2TYK
Summary Introduction
Introduction:
Photosynthesis, in plants, takes place in two phases- light-dependent (daytime) and light-independent, not dependent on light. The products formed during the daytime are utilized later in the night for the synthesis of carbohydrates.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which 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 production
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
Since carotenoids are part of the _________, their electrons are not passed on when they get excited.
A) electron carriers of the photosystem
B) electron transport chain
C) antenna complex of the photosystem
D) reaction center of the photosystem
Chapter 8 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 8.1 - What are the two stages of photosynthesis?Ch. 8.1 - In which organelle does photosynthesis take place...Ch. 8.2 - What is the difference in function between the...Ch. 8.2 - Prob. 2SBCh. 8.2 - What is the difference between the linear electron...Ch. 8.3 - What is the reaction that rubisco catalyzes? Why...Ch. 8.3 - How many molecules of carbon dioxide must enter...Ch. 8.4 - Prob. 1SBCh. 8.4 - Prob. 2SBCh. 8.4 - How are carbon fixation and the Calvin cycle...
Ch. 8.5 - How are the reactants and products of...Ch. 8 - An organism exists for long periods by using only...Ch. 8 - Prob. 2TYKCh. 8 - Which of the following is a correct step in the...Ch. 8 - Prob. 4TYKCh. 8 - Prob. 5TYKCh. 8 - Which of the following statements about the C4...Ch. 8 - Prob. 7TYKCh. 8 - The oxygen released by photosynthesis comes from:...Ch. 8 - You bite into a spinach leaf. Which one of the...Ch. 8 - Animal metabolism and plant metabolism are related...Ch. 8 - Discuss Concepts Suppose a garden in your...Ch. 8 - Prob. 12TYKCh. 8 - Discuss Concepts Like other accessory pigments,...Ch. 8 - Prob. 14TYKCh. 8 - Prob. 15TYKCh. 8 - Prob. 16TYKCh. 8 - Photosynthesis directly opposes respiration in...Ch. 8 - Prob. 2ITDCh. 8 - Prob. 3ITDCh. 8 - Prob. 4ITD
Knowledge Booster
Learn more about
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
- Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2 fixation b. converts light to chemical energy ____ autotroph c. self-feeder ____ ATP forms NADPH does not d. electrons cycle back to photosystem ____ photorespiration e. problem in C3 plants ____ photosynthesis f. Calvin-Benson cycle product ____ pigment g. water molecules split ____ photolysis in photosynthesis h. rubisco functionarrow_forwardIn ________, 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_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
- The main purpose of the light-independent reactions is to ________. a. convert solar energy to chemical energy b. convert solar energy to ATP for short-term energy use c. build carbohydrates for long-term energy storagearrow_forwardIf an enzyme in the Calvin cycle were knocked out, then a the light-dependent reactions would increase. b the light-dependent reactions would stop. c the light-dependent reactions would diminish. d the light-dependent reactions would be unaffected.arrow_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
- The overall flow of electrons in the light reactions is from a. antenna pigments to the reaction center. b. H2O to CO2. c. photosystem I to photosystem II. d. H2O to NADPH.arrow_forwardCooperation of the two photosystems is required for (a) ATP synthesis (b) reduction of NADP+ (c) cyclic photophosphorylation (d) generation of a proton-motive force (e) all of the abovearrow_forwardWhen oxygen gas is released as a result of photosynthesis, it is a direct byproduct of what process? a. splitting of water molecules b. the electron transfer system in the photosystems c. chemiosmosis d. reducing of NADP+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_forwardThe investigator suggested that insufficient amounts of carbon dioxide in the water may have been one of the factors that prevented further increases in the rate of photosynthesis at higher light intensities. Why would inadequate amounts of carbon dioxide affect the rate of photosynthesis? Select one or more: a. Carbon dioxide is needed for the production of sugars in the light reactions of photosynthesis b. Carbon dioxide is needed for the production of sugars in the Calvin Cycle of photosynthesis c. Carbon dioxide is needed for the production of ATP in the Calvin Cycle d. Carbon dioxide is the source of oxygen in photosynthesis e. Carbon dioxide is needed for the production of ATP in the light reactions of photosynthesisarrow_forwardUsing the graph comparing photosynthetic rate and absorption of different wavelengths of light, what can be concluded? a) The photosynthesis rate at 550 nm is the highest b) Chlorophyll a absorbs wavelengths at both ends of the spectrum c) Chlorophyll b is associated with the greatest rate of photosynthesis. d) Carotenoids absorb the narrowest range of wavelengths of lightarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage LearningBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY