Master Oxidative Phosphorylation
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Questions and Answers

Which arm of the pore faces towards the matrix and takes up protons?

  • Both arms
  • The arm without protons (correct)
  • The arm with protons
  • Neither arm

    • What happens to the affinity of the arm facing the intermembrane space when the electron passes through the complex?

  • It becomes neutral
  • It remains the same
  • It decreases (correct)
  • It increases

    • What is the end result of oxidative phosphorylation?

  • O2 is phosphorylated to ATP
  • O2 is reduced to H2O (correct)
  • ADP is reduced to H2O
  • ADP is phosphorylated to ATP

    • What is the purpose of oxidative phosphorylation?

    <p>To make ATP</p> Signup and view all the answers

    What is reduced to H2O during oxidative phosphorylation?

    <p>O2</p> Signup and view all the answers

    What happens to the arm with protons when the electron passes through the complex?

    <p>It faces towards the matrix</p> Signup and view all the answers

    What is the cycle that is repeated when the electron leaves the complex?

    <p>The electron transport chain</p> Signup and view all the answers

    What is the function of the arm that locks during oxidative phosphorylation?

    <p>To stabilize the complex</p> Signup and view all the answers

    What is the end product of oxidative phosphorylation?

    <p>ATP</p> Signup and view all the answers

    What is the role of O2 in oxidative phosphorylation?

    <p>To oxidize other substances</p> Signup and view all the answers

    What happens to the affinity of the arm facing the matrix when the electron passes through the complex?

    <p>It increases</p> Signup and view all the answers

    What is the process that is described in the text?

    <p>Cellular respiration</p> Signup and view all the answers

    Which arm of the pore faces towards the matrix and takes up protons?

    <p>The arm without protons</p> Signup and view all the answers

    What happens to the affinity of the arm facing the intermembrane space when the electron passes through the complex?

    <p>It decreases</p> Signup and view all the answers

    What is the end result of oxidative phosphorylation?

    <p>O2 is reduced to H2O</p> Signup and view all the answers

    What is the purpose of oxidative phosphorylation?

    <p>To make ATP</p> Signup and view all the answers

    What is reduced to H2O during oxidative phosphorylation?

    <p>O2</p> Signup and view all the answers

    What happens to the arm with protons when the electron passes through the complex?

    <p>It faces towards the matrix</p> Signup and view all the answers

    What is the cycle that is repeated when the electron leaves the complex?

    <p>The electron transport chain</p> Signup and view all the answers

    What is the function of the arm that locks during oxidative phosphorylation?

    <p>To stabilize the complex</p> Signup and view all the answers

    What is the end product of oxidative phosphorylation?

    <p>ATP</p> Signup and view all the answers

    What is the role of O2 in oxidative phosphorylation?

    <p>To oxidize other substances</p> Signup and view all the answers

    What happens to the affinity of the arm facing the matrix when the electron passes through the complex?

    <p>It increases</p> Signup and view all the answers

    What is the process that is described in the text?

    <p>Cellular respiration</p> Signup and view all the answers

    Which arm of the pore faces towards the matrix and takes up protons in oxidative phosphorylation?

    <p>The arm facing the matrix</p> Signup and view all the answers

    What happens to the affinity of the arm facing the intermembrane space towards protons when the electron passes through the complex?

    <p>It becomes lower</p> Signup and view all the answers

    What is the end result of the consumption of O2 in oxidative phosphorylation?

    <p>ADP is phosphorylated to ATP</p> Signup and view all the answers

    What happens to O2 in oxidative phosphorylation?

    <p>It is reduced to H2O</p> Signup and view all the answers

    What is the purpose of oxidative phosphorylation?

    <p>To consume O2 and make ATP</p> Signup and view all the answers

    What happens to the arm with proton in oxidative phosphorylation?

    <p>It faces towards the matrix and takes up protons</p> Signup and view all the answers

    What happens when the electron leaves in oxidative phosphorylation?

    <p>The cycle is repeated</p> Signup and view all the answers

    What is the function of the pore in oxidative phosphorylation?

    <p>To phosphorylate ADP to ATP</p> Signup and view all the answers

    What is the result of the consumption of O2 in oxidative phosphorylation?

    <p>ADP is phosphorylated to ATP</p> Signup and view all the answers

    What is the direction of the arm facing the intermembrane space in oxidative phosphorylation?

    <p>Towards the intermembrane space</p> Signup and view all the answers

    What happens to the affinity of the arm facing the matrix towards protons when the electron passes through the complex in oxidative phosphorylation?

    <p>It remains the same</p> Signup and view all the answers

    What is the source of the protons that are taken up by the arm facing the matrix in oxidative phosphorylation?

    <p>Water</p> Signup and view all the answers

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