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The photosynthetx electron transport causes the accumon of protons n which part of the chloroplast? A Matrix B. Stroma C. Envelope D. Thylakoid space E Outer membrane

The photosynthetx electron transport causes the accumon of protons n which part of the chloroplast? A Matrix B. Stroma C. Envelope D. Thylakoid space E Outer membrane

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Photosynthesis and Chloroplast Structure Knowledge Check** **Question:** The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast? **Options:** A. Matrix B. Stroma C. Envelope D. Thylakoid space E. Outer membrane **Explanation:** The image shows a multiple-choice question aimed at testing knowledge regarding the process of photosynthesis and the structure of chloroplasts. The question specifically asks where proton accumulation occurs during photosynthetic electron transport. **Answer:** The correct answer is D. Thylakoid space. **Educational Context:** During the light reactions of photosynthesis, protons (H+) are pumped from the stroma into the thylakoid space (lumen) as electrons move through the electron transport chain. This creates a proton gradient across the thylakoid membrane, which is essential for ATP synthesis during the process of photophosphorylation. Understanding where proton accumulation occurs helps in comprehending the mechanism of ATP synthesis within chloroplasts and the overall process of energy conversion in photosynthetic organisms.
Transcribed Image Text:**Photosynthesis and Chloroplast Structure Knowledge Check** **Question:** The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast? **Options:** A. Matrix B. Stroma C. Envelope D. Thylakoid space E. Outer membrane **Explanation:** The image shows a multiple-choice question aimed at testing knowledge regarding the process of photosynthesis and the structure of chloroplasts. The question specifically asks where proton accumulation occurs during photosynthetic electron transport. **Answer:** The correct answer is D. Thylakoid space. **Educational Context:** During the light reactions of photosynthesis, protons (H+) are pumped from the stroma into the thylakoid space (lumen) as electrons move through the electron transport chain. This creates a proton gradient across the thylakoid membrane, which is essential for ATP synthesis during the process of photophosphorylation. Understanding where proton accumulation occurs helps in comprehending the mechanism of ATP synthesis within chloroplasts and the overall process of energy conversion in photosynthetic organisms.
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