What is oxidative phosphorylation? | Class 11 Biology Chapter Respiration in Plants, Respiration in Plants NCERT Solutions

Welcome to the NCERT Solutions for Class 11 Biology - Chapter Respiration in Plants. This page offers a step-by-step solution to the specific question from Exercise 1, Question 11: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 11: What is oxidative phosphorylation?
Answer:

Oxidative phosphorylation is a process in which electrons are transferred from electron donors to oxygen, which acts as electron acceptor. The oxidation-reduction reactions are involved in the formation of proton gradient. The main role in oxidative phosphorylation is played by the enzyme ATP synthase (complex V). This enzyme complex consists of F0 and F1 components. The F1headpiece is a peripheral membrane protein complex and contains the site for ATP synthesis from ADP and inorganic phosphate. F0component is a part of membrane protein complex, which acts as a channel for crossing of the protons from inner mitochondrial membrane to the mitochondrial matrix. For every two protons passing through F0–F1 complex, synthesis of one ATP molecule takes place.


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  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Respiration in Plants.
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Comments

  • PICKLU baidya
  • Mar 20, 2019

Gd


  • Amos
  • Feb 26, 2019

Thank you for good questions and answers! But in case of numbers of protons required to produce one ATP is four!


  • angelina roy
  • Jan 14, 2018

what is proton gradient?


  • mosese
  • Mar 10, 2015

I want the difficult question


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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 11: What is oxidative phosphorylation?....