Cellular Respiration and Glycolysis Quiz
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Questions and Answers

Where does glycolysis take place?

  • Nucleus of eukaryotic cells
  • Endoplasmic reticulum of eukaryotic cells
  • Cytoplasm of both prokaryotic and eukaryotic cells (correct)
  • Mitochondria of eukaryotic cells
  • Which enzyme catalyzes the conversion of glucose to glucose-6-phosphate?

  • Hexokinase (correct)
  • Phosphofructokinase
  • Kinase
  • Isomerase
  • What is the product of the first half of glycolysis?

  • Glucose-6-phosphate (correct)
  • ATP
  • Fructose1,6-biphosphate
  • Pyruvate
  • In glycolysis, what is the source of the phosphate used by hexokinase to phosphorylate glucose?

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

    What group of integral proteins assists in the transport of glucose into heterotrophic cells?

    <p>GLUCOSE TRANSPORTER PROTEINS (GLUT proteins)</p> Signup and view all the answers

    What is the end product of glycolysis?

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

    Which enzyme is responsible for transforming dihydroxyacetone to glyceraldehyde-3-phosphate in glycolysis?

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

    What is the outcome of step 6 in glycolysis?

    <p>Extraction of high energy electrons</p> Signup and view all the answers

    What is the primary function of phosphoglycerate kinase in glycolysis?

    <p>Donating a high energy phosphate to ADP</p> Signup and view all the answers

    Which enzyme is responsible for the transformation of 3-phosphoglycerate to 2-phosphoglycerate in glycolysis?

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

    Where does the citric acid cycle take place?

    <p>Mitochondrial matrix</p> Signup and view all the answers

    What is the primary function of succinate dehydrogenase in the citric acid cycle?

    <p>Produce FADH2</p> Signup and view all the answers

    What is the main product formed during the citric acid cycle?

    <p>$CO_2$</p> Signup and view all the answers

    In the breakdown of pyruvate, what is released in step 1?

    <p>$CO_2$</p> Signup and view all the answers

    What compound picks up and activates the acetyl group during the breakdown of pyruvate?

    <p>$Coenzyme A$</p> Signup and view all the answers

    During glycolysis, what happens to glucose at the end of the pathway?

    <p>Converted into pyruvate</p> Signup and view all the answers

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