EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
3rd Edition
ISBN: 9780136781851
Author: Urry
Publisher: PEARSON CO
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Chapter 8.2, Problem 2CC
In the light reactions, what is the initial electron donor? At the end of the light reactions, where are the electrons?
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Chapter 8 Solutions
EP CAMPBELL BIO.FOCUS-MOD.MASTER.(18WK)
Ch. 8.1 - How do the CO2 molecules used in photosynthesis...Ch. 8.1 - How did the use of an oxygen isotope help...Ch. 8.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 8.2 - What color of light is least effective in driving...Ch. 8.2 - In the light reactions, what is the initial...Ch. 8.2 - Prob. 3CCCh. 8.3 - MAKE CONNECTIONS How are the large numbers of ATP...Ch. 8.3 - WHAT IF? Explain why a poison that inhibits an...Ch. 8.3 - Prob. 3CCCh. 8.4 - Prob. 1CC
Ch. 8 - The light reactions of photosynthesis supply the...Ch. 8 - Which of the following sequences correctly...Ch. 8 - How is photosynthesis similar in C4, plants and...Ch. 8 - Which of the following statements is a correct...Ch. 8 - Which of the following does not occur during the...Ch. 8 - In mechanism, photophosphorylation is most similar...Ch. 8 - Prob. 7TYUCh. 8 - To synthesize one glucose molecule, the Calvin...Ch. 8 - SCIENCE, TECHNOLOGY, AND SOCIETY Scientific...Ch. 8 - DRAW IT The following diagram represents an...Ch. 8 - Prob. 11TYUCh. 8 - Prob. 12TYUCh. 8 - FOCUS ON ENERGY AND MATIER Life is solar powered....Ch. 8 - SYNTHESIZE YOUR KNOWLEDGE Watermelon snow in...
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- What is the chemical species that is transferred through the light reactions? (Box A) What energy-rich compound is produced by the actions of the cytochrome complex? (Box B) What is the compound (Box C) used to donate electrons to the photosystems, and which gives rise to 2H+ and O2. What energy is used to energise the light reactions? (Box D) What is the product of the reaction that is occurring at NADP+ reductase? (Box E) Provide names for structures i and iiarrow_forwardIn what form is energy transferred in a redox reaction?arrow_forwardWhat is the ultimate electron acceptor in photosynthesis? The ultimate electron donor? What powers the electron flow between the donor and the acceptor?arrow_forward
- The Q cycle is one of the hallmark features in the light reaction. Please describe what is Q cycle, why it is important and how many protons are moved in a complete Q cycle when 1 H2O molecule gets oxidized.arrow_forwardThylakoids were isolated from chloroplasts and incubated in the dark in an acidic solution (pH 4) to equilibrate the pH. After 30 minutes, the thylakoids were transferred to a basic solution (pH 8) and kept in the dark. Will this system produce ATP? Explain. Will this system produce G3P? Explain.arrow_forwardWhat are the important products made in the light reaction which feed into the dark reaction?arrow_forward
- What is reverse electron flow and why is it necessary? Whichphototrophs need to use reverse electron flow?arrow_forwardWhat is the final electron acceptor in cyclic electron flow?arrow_forwardThe equation for photosynthesis is 6CO2 + 6H2O + Sunlight --> C6H12O6 + 6O2. Explain the role of each of the products (left side of the arrow) and explain where the products (right side of the arrow) came from.arrow_forward
- (g) The figure given below represents an experiment to demonstrate a particular aspect of photosynthesis. The alphabet 'A' represents a certain condition inside the flask. 2 КОН (i) What is the aim of the experiment ? (ii) Identify the special condition inside the flask. (iii) Name an alternative chemical that can be used instead of KOH. (iv) In what manner do the leaves 1 and 2 differ at the end of the starch test ?arrow_forwardIn cyclic photophosphorylation, how are the reaction center electrons replaced? A) An electron is split off of water B) The same electron returns C) an electron is donated by an electron carrier D) An electron splits off of ATP E) The reaction center electrons are not replacedarrow_forwardFor the following questions, choose one to discuss: chloroplast/photosynthesis State at the outset which one you will discuss. A) What role do proton gradients play in the process of photosynthesis proton gradients allow B) Where are proton gradients formed? Within what structures are they seen in chloroplasts How do the structures help them to maintain a gradient? C) Explain where and how the chloroplast or mitochondria uses passive transport and active transport to complete photosynthesis or cellular respiration.arrow_forward
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