IB skill practice

Analyse carbohydrates, lipids, and proteins

Paper 1, Paper 2 5 marks Difficulty 4

Identify carbohydrate subunits

A molecular diagram in an medical biochemistry class shows several glucose units joined in a chain. Identify the biomolecule group and its monomer. Use the diagram, molecular model, or data labels before answering. 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.