Bio 181 Lab Final with complete solutions

Bio 181 Lab FinalWhat is a catalyst? - correct answer A substance that increases the rate of a chemical reaction without being used up What is an enzyme? - correct answer A biological molecule that increases the rate of a chemical reaction without being consumed, usually a protein. What is the activation energy? - correct answer The energy required to convert a substrate to a product How do enzymes catalyze reactions? - correct answer By forming a substrate-enzyme complex. The enzyme brings the substrates together and put stress to break the bonds. Enzymes create a micro-environment or break bonds What are 7 properties of enzymes? - correct answer Most are proteins. Highly specific to - usually - one substrate. They form an enzyme-substrate complex: E + S ↔ ES → P + E They do not affect the direction of a reaction. They lower the energy of activation of a reaction. They are not consumed in the reaction.