A-LevelBiologyEnzymesFeb/Mar 2023Paper 1 Q161 Mark
A scientist investigated the rate of breakdown of hydrogen peroxide. Four experiments were carried out using different mixtures. • substrate only • substrate + enzyme • substrate + enzyme + competitive inhibitor • substrate + enzyme + non-competitive inhibitor The results are sketched in the graph. [Figure 16.1] Which row shows the correct lines for two of the experimental mixtures?
A1; 2
B4; 2
C1; 3
D4; 3
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of enzymes within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep