Transcription of Core practical 1: Investigate a factor affecting the initial rate …
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Core practical 1: Investigate a factor affecting the initial rate …
EDEXCEL Biology B Teacher Resource Pack 1 Pearson Education Ltd 2015 This document may have been altered from the original 1 Core practical 1 Teacher sheet Investigate a factor affecting the initial rate of reaction All users will need to review the risk assessment information and may need to adapt it to local circumstances. Core practical 1: Investigate a factor affecting the initial rate of reaction Objectives To be able to measure the initial rate of enzyme activity To understand why measuring the initial rate is important Safety Specification links Trypsin solution at concentrations of 1% or above is an irritant. It may cause an allergic reaction in those allergic to products such as washing powder.
Core practical 1Teacher sheet ... To get repeat measurements when colorimeters are limited, each group can make up one set of concentrations and then pool class ... Temperature – the rate of reaction of enzymes varies with temperature. As temperature increases, particles gain more energy and more collisions take place between enzyme and ...
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