IB skill practice

Analyse carbohydrates, lipids, and proteins

Paper 1, Paper 2 5 marks Difficulty 4

Connect protein structure to function

A protein model in a cell respiration data workshop shows a folded chain with a specific active site shape. Explain why heating can reduce the protein function. Enter the answer and choose the interpretation that best matches the biological evidence.

Worked practice: biological evidence and answer

Use the labelled biological evidence first, then connect it to the final answer.