Citric Acid Cycle Flashcards
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Questions and Answers

Which of these enters the citric acid cycle?

  • pyruvate
  • lactic acid
  • glucose
  • acetyl CoA (correct)
  • In the citric acid cycle, ATP molecules are produced by _____

    Phosphorylation of ADP

    List the products of the citric acid cycle.

    ATP, FADH2, NADH + H+, CO2

    For each glucose that enters glycolysis, _____ acetyl CoA enter the citric acid cycle.

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    For each glucose that enters glycolysis, _____ NADH + H+ are produced by the citric acid cycle.

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    Study Notes

    Citric Acid Cycle Overview

    • Acetyl CoA is the key molecule entering the citric acid cycle, serving as the starting point for energy production.
    • ATP is generated through the phosphorylation of ADP during the cycle, highlighting its role in energy transfer.
    • The main products of the citric acid cycle include ATP, FADH2, NADH + H+, and CO2.

    Relationship with Glycolysis

    • Each glucose molecule processed in glycolysis yields 2 acetyl CoA that enter the citric acid cycle, linking the two metabolic pathways.
    • The citric acid cycle produces 6 NADH + H+ for each glucose molecule, emphasizing its significance in electron transport and energy production.

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    Description

    Test your knowledge of the Citric Acid Cycle with these flashcards. These questions cover key concepts, including the entry of acetyl CoA and the products of the cycle such as ATP and NADH. Perfect for students studying cellular respiration.

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