IB skill practice

Compare prokaryotic and eukaryotic cells

Paper 1, Paper 2 5 marks Difficulty 4

Compare nucleus evidence

A cell comparison in a bioinformatics classroom shows one cell with DNA inside a nucleus and another with DNA in a nucleoid region. Which cell is prokaryotic? 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.