A-LevelBiologyEnzymesMay/June 2015Paper 1 Q131 Mark
Which levels of protein structure are always involved when competitive and non-competitive inhibitors bind to enzymes?
Aprimary, secondary and tertiary competitive; secondary non-competitive
Bquaternary and tertiary competitive; quaternary and tertiary non-competitive
Csecondary competitive; primary and tertiary non-competitive
Dtertiary competitive; tertiary non-competitive
✓ Correct Answer
The correct answer is D. 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...
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