Biology

9th

grade

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Krebs Cycle

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  • 1. Multiple Choice
    30 seconds
    1 pt

    For the two pyruvates that enter from glycolysis, the Krebs cycles will yield:

    1 ATP, 2 NADH, and 1 FADH2

    1 ATP, 2 NADH, and 2 FADH2

    1 ATP, 3 NADH, and 1 FADH2

    2 ATP, 8 NADH, and 2 FADH2

    2 ATP, 4 NADH, and 2 FADH2

  • 2. Multiple Choice
    30 seconds
    1 pt

    The initial reaction of the Krebs cycle produces:

    Glucose and pyruvate

    H2O and CO2

    CO2, acetyl-CoA, and NADH

    Coenzyme A and NADH

  • 3. Multiple Choice
    30 seconds
    1 pt

    Acetyl-CoA is joined up to a ________________________ to form ________________________.


    6 carbon compound; acetate

    3 carbon compound; acetyl-CoA

    4 carbon compound; acetyl-CoA

    4 carbon compound; citric acid

    6 carbon compound; citric acid

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