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A-LevelBiologyEnzymes9700/12 · Oct/Nov 2014 · Q151 Mark

The AIDS virus produces a long polypeptide that is hydrolysed by a protease enzyme to several smaller peptides. This viral protease is the target of anti-AIDS drugs. Which feature is essential for the success of these drugs?

Acomplex structure that inhibits many types of viral enzyme
Bmolecule containing a heavy metal atom that is a non-competitive inhibitor of enzymes
Cprotein that can act as a competitive inhibitor of protease enzymes
Dspecific structure that inhibits only viral protease

✓ Correct answer

D: specific structure that inhibits only viral protease

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About this question

Topic
Enzymes, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source
A-Level Biology, Oct/Nov 2014 Paper 1 Variant 2, question 15.

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