Cellular Respiration Study Guide - Parts I & II
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Questions and Answers

What is the main molecule used during cellular respiration?

  • Fructose
  • Glucose (correct)
  • Glycogen
  • Lactate
  • Which compound is reduced in the equation of cellular respiration?

  • Glucose
  • NAD+ (correct)
  • Carbon dioxide
  • Oxygen
  • Which of the following best describes glycolysis?

  • It consists of a single step that generates ATP directly.
  • It occurs in the mitochondria and requires oxygen.
  • It occurs in the cytoplasm and does not require oxygen. (correct)
  • It is a process that only breaks down fatty acids.
  • What are the net products of glycolysis?

    <p>2 ATP, 2 NADH, and 2 pyruvate</p> Signup and view all the answers

    Which stage of cellular respiration occurs after glycolysis?

    <p>Citric acid cycle</p> Signup and view all the answers

    What occurs during the catabolic pathway of cellular respiration?

    <p>Glucose is oxidized to release energy</p> Signup and view all the answers

    During which phase of glycolysis is ATP consumed?

    <p>Energy investment phase</p> Signup and view all the answers

    What happens to glucose during catabolism?

    <p>It is oxidized to carbon dioxide and water.</p> Signup and view all the answers

    What characterizes anabolic pathways in metabolism?

    <p>They synthesize complex molecules from simpler ones.</p> Signup and view all the answers

    What is the primary energy carrier molecule that transports electrons during the oxidation of glucose?

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

    What is the nature of processes occurring in catabolic pathways?

    <p>They produce energy by breaking down molecules.</p> Signup and view all the answers

    Which of the following correctly defines oxidation in terms of cellular respiration?

    <p>Losing electrons.</p> Signup and view all the answers

    What defines the glycolysis pathway phases?

    <p>The energy investment phase and energy recovery phase.</p> Signup and view all the answers

    During cellular respiration, what compound is primarily oxidized?

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

    In which organelle does glycolysis take place?

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

    Which additional catabolic pathway is associated with cellular respiration?

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

    Study Notes

    Cellular Respiration Study Guide - Part I

    • Energy flows through ecosystems, using essential chemical elements for life processes.
    • Metabolism has two main types: anabolic (biosynthetic) and catabolic (breakdown).
    • Anabolic pathways build molecules while catabolic pathways break them down.
    • Cellular respiration is a major catabolic pathway.
    • The main molecule used in cellular respiration is glucose.
    • The equation for cellular respiration is not provided.
    • Other catabolic pathways exist besides cellular respiration.
    • Glucose is oxidized during cellular respiration.

    Cellular Respiration - Part II

    • Oxidation involves loss of electrons; reduction involves gain of electrons.
    • Redox reactions are crucial in cellular respiration.
    • During respiration, a specific compound is oxidized, and another is reduced. The compounds involved are not named.
    • Cellular respiration involves distinct stages; the specific steps and results are not detailed.
    • A molecule named NAD+ carries electrons during glucose oxidation.
    • The equation for NAD+ reduction is not supplied.

    Glycolysis

    • Glycolysis has two main phases, though the names or reasons for these names are not mentioned.
    • Glycolysis produces specific net products, though the exact number of each product is not given.
    • Glycolysis occurs in a specific location inside cells.

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    Description

    This study guide provides an overview of cellular respiration and its role in metabolism. It covers key concepts like anabolic and catabolic pathways, oxidation and reduction reactions, and the significance of glucose in energy flow through ecosystems. Dive into the critical processes that support life and understand how energy is transformed within cells.

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