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21 questions
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- Q1Enzymes are considered to beLipidsNucleic AcidsProteinCarbohydrates30s
- Q2What is the purpose of an enzyme?Raise the activation energyControl how many reactions occurSpeed up reactionsGive permission for the reaction30s
- Q3Where do substrates bind on an enzyme?Calcium channgelsVoltage-gated channelsActive siteSurface receptor30s
- Q4Enzymes are capable of increasing the rate of chemical reactions within a living cell. Enzymes accomplish this through which of the following means?increasing the concentration of reactantsIncreasing the temperature of the cellReducing the activation energyReducing the number of products30s
- Q5What is structure A?ProductSubstrateActive SiteEnzyme30s
- Q6What is structure B?SubstrateActive SiteEnzymeProduct30s
- Q7What is structure C?ProductSubstrateActive SiteEnzyme30s
- Q8What is structure DActive SiteProductEnzymeSubstrate30s
- Q9How do enzymes speed up chemical reactions?Decreasing activation energyIncreasing activation energyIncreasing deactivation energyDecreasing deactivation energy30s
- Q10What is a substance called if it speeds up a chemical reaction?CatalystReusableFragileSpecific30s
- Q11Each enzyme only has 1 substrate that will fit its active site. What is this called?ReusableFragileCatalystSpecific30s
- Q12Changes in pH and temperature can damage an enzymes active site. What is this called?ReusableSpecificCatalystDenature30s
- Q13Once a new product leaves an enzyme, the enzyme is unchanged and ready for the next substrate. What is this called?ReusableCatalystSpecificDenature30s
- Q14What 3 letters do enzymes typically end in?-tic-ase-ese-ose30s
- Q15The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?Enzymes decrease the activation energy of the reaction.Enzymes increase the energy of the reactants.Enzymes reverse the direction of the reaction.Enzymes decrease the energy levels of the products.30s
