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It also has sample exam questions (of all types) in the back. Hurrah! Official free-response questions:The College Board has kindly released free-response questions (and sample responses) from previous testing years. You can get these by going to theCollege Board's AP exam information pageand...
Precision Plus Protein Dual Color Prestained Standards (Bio-Rad) were used as a protein molecular mass marker, and isolated wild-type L. migratoria HDLp (6) was used as a positive control. Proteins were transferred to a polyvinylidene difluoride membrane (Millipore), and subsequent immunostaining ...