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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. Wash splashes from the skin as quickly as possible. Wear eye protection. practical techniques 1, 2, 3, 6 (and 12 if a datalogger is used) CPAC 1a, 2a, 2b, 3a 3c, 4a, 4b, 5a Procedure Notes on procedure Milk protein (casein) is broken down by protease enzymes such as trypsin.
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
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