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 (C)</p> Signup and view all the answers

What is reduced to H2O during oxidative phosphorylation?

<p>O2 (D)</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 (A)</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 (D)</p> Signup and view all the answers

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

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

What is the end product of oxidative phosphorylation?

<p>ATP (D)</p> Signup and view all the answers

What is the role of O2 in oxidative phosphorylation?

<p>To oxidize other substances (D)</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 (C)</p> Signup and view all the answers

What is the process that is described in the text?

<p>Cellular respiration (B)</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 (D)</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 (B)</p> Signup and view all the answers

What is the end result of oxidative phosphorylation?

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

What is the purpose of oxidative phosphorylation?

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

What is reduced to H2O during oxidative phosphorylation?

<p>O2 (A)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

What is the end product of oxidative phosphorylation?

<p>ATP (D)</p> Signup and view all the answers

What is the role of O2 in oxidative phosphorylation?

<p>To oxidize other substances (D)</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 (A)</p> Signup and view all the answers

What is the process that is described in the text?

<p>Cellular respiration (C)</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 (C)</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 (B)</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 (C)</p> Signup and view all the answers

What happens to O2 in oxidative phosphorylation?

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

What is the purpose of oxidative phosphorylation?

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

What happens when the electron leaves in oxidative phosphorylation?

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

What is the function of the pore in oxidative phosphorylation?

<p>To phosphorylate ADP to ATP (B)</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 (B)</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 (A)</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 (C)</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 (D)</p> Signup and view all the answers

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