Quiz

Quiz: Link Reaction and Krebs Cycle

Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)

11 Steps9 Questions

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Building on what you've learned about respiration, let's test your knowledge of the link reaction and Krebs cycle!

Multiple ChoiceInteractive

Where does the link reaction occur in the cell?

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Which of the following are products of the Krebs cycle? (Select all that apply)

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During the link reaction, pyruvate is converted into {{blank0}}, and {{blank1}} is released as a by-product.

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Match the items on the left with their correct pairs on the right

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Math EquationInteractive

If one turn of the Krebs cycle produces 1 ATP, 3 NADH, and 1 FADH2, calculate how many NADH molecules are produced after 4 cycles.

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Multiple ChoiceInteractive

Which enzyme catalyses the conversion of pyruvate to acetyl-CoA?

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typedAnswer

Match the items on the left with their correct pairs on the right

Multi-SelectInteractive

Which molecules are reduced during the Krebs cycle? (Select all that apply)

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Fill in the BlankInteractive

Acetyl-CoA combines with {{blank0}} to form {{blank1}} at the start of the Krebs cycle.

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Multiple ChoiceInteractive

How many carbon dioxide molecules are released per turn of the Krebs cycle?

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