Practice Link Reaction - 8.2.2 | Metabolism, Cell Respiration, and Photosynthesis | IB 12 Biology
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Link Reaction

8.2.2 - Link Reaction

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary product of glycolysis that enters the link reaction?

💡 Hint: Think about the output of glycolysis.

Question 2 Easy

What is released during the decarboxylation of pyruvate?

💡 Hint: Consider what is removed from the molecule.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What molecule is formed from pyruvate during the link reaction?

NADH
Acetyl-CoA
CO₂

💡 Hint: Remember what pyruvate is transformed into.

Question 2

True or False: The link reaction occurs in the cytoplasm.

True
False

💡 Hint: Think about the cellular location of the Krebs cycle.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Sketch a detailed diagram depicting the link reaction showing all inputs and outputs including molecules and their conversions.

💡 Hint: Focus on showing the steps and the transformations that take place.

Challenge 2 Hard

Discuss the metabolic pathways and their interconnections illustrated by the link reaction in the context of cellular respiration.

💡 Hint: Consider how each pathway contributes to the overall ATP yield.

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