Bio1332 Biochemistry - Lecture Seventeen - The Citric Acid Cycle

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Elly Crook
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    Give an alternate name for the citric acid cycle.

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About This Quiz

 1. Understand and reproduce key reactions of the citric acid cycle cycle  2. Understand the reaction points that liberate NADH and FADH2  3. Understand the key control points  4. Understand related pathways

Bio1332 Biochemistry - Lecture Seventeen - The Citric Acid Cycle - Quiz

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  • 2. 

    Name the enzyme that converts pyruvate into Acetyl CoA.

    Explanation
    Pyruvate Dehydrogenase is the enzyme responsible for converting pyruvate into Acetyl CoA. This enzyme plays a crucial role in the process of cellular respiration, specifically in the link reaction between glycolysis and the Krebs cycle. During this conversion, pyruvate undergoes decarboxylation and is transformed into Acetyl CoA, which is then utilized in the Krebs cycle to produce energy in the form of ATP. Pyruvate Dehydrogenase is a complex enzyme consisting of multiple subunits and requires various cofactors for its activity.

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  • 3. 

    In the Citric Acid Cycle, what is Pyruvate converted into?

    Explanation
    In the Citric Acid Cycle, pyruvate is converted into Acetylcoenzyme A, also known as Acetyl coenzyme A or Acetyl CoA. This process occurs in the mitochondria and is a crucial step in the metabolism of carbohydrates and fats. Acetyl CoA then enters the next stage of the cycle, where it is further broken down to produce energy in the form of ATP.

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  • 4. 

    Where specifically does the Citric Acid Cycle occur?

    Explanation
    The Citric Acid Cycle specifically occurs in the matrix of the mitochondria.

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  • Mar 15, 2023
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  • Dec 23, 2015
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    Elly Crook
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