Enzymes (Class 11 Biology) is a high-scoring chapter for FSC pre-medical board exams and entry tests like MDCAT. Enzymes are biological catalysts, mainly proteins, that speed up biochemical reactions in living cells without being consumed. This chapter covers properties of enzymes, mechanism of action (lock and key & induced fit models), specificity, activation energy, and factors affecting enzyme activity such as temperature, pH, substrate concentration, inhibitors, and cofactors. A strong grip on definitions, graphs, examples, and differences between enzymes and inorganic catalysts is essential for solving MCQs. PLS Academy focuses on concept clarity, diagrams, topic-wise MCQs, and smart revision strategies to help students score maximum marks from the enzymes chapter in both board exams and MDCAT.
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