CAIE A-Level Biology AS M 4 Averages Ratios Percentages and Experimental Error Questions

Calculate averages, ratios and percentages, then interpret experimental error to compare biological measurements and evaluate reliability in Cambridge A Level Biology questions.

Exam points

Calculate averages, ratios and percentages and interpret experimental error when comparing biological measurements and evaluating reliability.

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The number of substrate molecules one enzyme molecule can convert to product in a second is called the turnover number. This number is obtained when all conditions are optimum for the specific enzyme-catalysed reaction.

Table for Question CAIE A-Level Biology AS M 4 Averages Ratios Percentages and Experimental Error Questions question 1 — CAIE A-Level Biology AS

How many times faster at converting substrate to product is catalase compared to phosphatase?

288

2884

28836

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CAIE A-Level Biology AS M 4 Averages Ratios Percentages and Experimental Error Questions question 1