I think what you mean to say is, 'which faculty would i do best at', asin one faculty containing more biochem (which you may be good at), and less pharmacology (which you may be not so good at). You would need to look through each of the schools syllabus', and decide which one would best suit you.

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Oxford Cambridge A Levels: Chemistry, Biology, Psychology. S Level Chemistry.

Undergraduate Medical Student, United Kingdom.
1 examination to go before I am a second year medic!