Glycolysis and Enzymes Quiz

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Questions and Answers

Which term best describes glycolysis?

  • Anabolic pathway
  • Aerobic process
  • Krebs cycle
  • Anaerobic process (correct)

Which enzyme in glycolysis is responsible for transferring phosphate groups from ATP?

  • Phosphofructokinase
  • Isomerase
  • Dehydrogenase
  • Hexokinase (correct)

During catabolic reactions, what happens to energy?

  • Energy is released as kinetic energy (correct)
  • Energy is stored as potential energy
  • The net change in energy is zero
  • The change in energy cannot be calculated

Where does the Citric Acid Cycle occur within a eukaryotic cell?

<p>Matrix of the mitochondrion (D)</p> Signup and view all the answers

What is the net release of energy in the Pyruvate Oxidation pathway?

<p>4 ATP (A)</p> Signup and view all the answers

Which statement accurately describes fermentation?

<p>Converts NADH to NAD+ (B)</p> Signup and view all the answers

Which of the following is the oxidizing agent used to temporarily store high-energy electrons from glucose in the cytoplasm?

<p>NAD+ (A)</p> Signup and view all the answers

Where does pyruvate oxidation occur in eukaryotic cells?

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

What happens to the oxygen used in cellular respiration?

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

How is the energy released as electrons move along the electron transport chain used by the cell?

<p>To transport protons against their concentration gradient (C)</p> Signup and view all the answers

Why is the enzyme phosphofructokinase regulated by high levels of ATP?

<p>To inhibit the reaction that commits the substrate to glycolysis (C)</p> Signup and view all the answers

What is the process called when a bacterial cell divides into two nearly equal halves?

<p>Binary fission (A)</p> Signup and view all the answers

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