1. 1. WHAT ARE ENZYMES AND SUBSTRATE?Enzymes are catalysts for chemical reactions in living things.Substrates are specific reactants that an enzyme acts on.
2. 2. LAB PROCEDURESteps for Lab1. Set up test-tubes2. Put different amounts of H202 and water3. Record the reaction -Enzymes Source: Catylase in potato -Substrate Source: H2O2 -Independent Variable: Amounts of H2O2 -Control: Potato
3. 3. LAB VIDEO
4. 4. LAB RESULTSTest tubeRank of Amount ofAmount ofnumber reactionpotato reactants speed12nd 0.32 lbH202 15ml21st 0.32 lbH2O2 30ml33rd 0.32 lbH2O 30mlConclusion:The amount of reactants affect enzyme rate.The more reactants are, the quicker it react.