A-Level ChemistryYear 2023Q20
page 07 20. Which line in the table correctly describes the action of a drug? Type of drug Binding site Response A antagonist receptor binding site produces a response similar to the body’s natural response B antagonist enzyme active site blocks the body’s natural response C enzyme inhibitor receptor binding site produces a response similar to the natural action of the enzyme D enzyme inhibitor enzyme active site blocks the action of the enzyme [Turn over

Paper Source:NAH_Chemistry_Section1_2023.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)