A-LevelBiologyEnzymesMay/June 2020Paper 2 Q39 Marks
3 The enzyme glucose 6-phosphate dehydrogenase (G6PD) is composed of two identical polypeptide chains. (a) Students investigated the activity of two forms of G6PD, J and K, at different concentrations of substrate. K is a form of the enzyme that results from a mutation that changes one amino acid in the polypeptide. The results are shown in Fig. 3.1. [Figure 3.1]
✓ Correct Answer
The correct answer is —. 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