Please fill in the information below. NAME EMAIL PHONE NUMBER 1. What is an apoenzyme?It is a prosthetic groupIt is a non-protein groupIt is a protein portion of an enzymeIt is a complete, biologically active conjugated enzyme2. Where does the reaction between the enzyme and the substrate take place at?InhibitorSubstrateActive SightActivator3. Which of the following takes place due to phosphorylation of isocitrate dehydrogenase?Inhibits the binding of citrate at active siteNo reactionEnhances the substrate-binding affinityDegrades the enzyme4. Which of the following reaction is catalyzed by Lyase?Intramolecular rearrangement of bondsFormation of bondsTransfer of group from one molecule to anotherBreaking of bonds5. Which of the following is NOT true about enzymes?Enzymes are proteinsEnzymes react with the substrate in a chemical reaction.Enzymes lower the activation energyEnzymes catalyzes chemical reactions6. The following is the right optimal pH for most enzymes and stomach enzymes except?PH of 2 for stomach enzymesPH 5 - 9 for most enzymes.All of the abovePH 6 - 8 for most enzymes.7. Which one is not an enzyme used for MI diagnosis?LDHTroponin TALTAST8. Forming and breaking bonds requires ________ depending upon what kind of a reaction you have.fusionproteinenergyfuel9. Which of the following is NOT an enzyme?AmylaseCatalasePepsinSucrose10. Which line in the graph shows the presence of an enzyme in a chemical reaction? Line 2Line 111. A __________is a biocatalyst that increases the rate of the reaction without being changed.Aluminum oxideHydrogen peroxideEnzymeSilicon dioxide12. ___________ inhibitors change the shape of an enzyme.DistributiveNoncompetitiveCompetititveNondistributive13. Which of this vitamin is associated with the coenzyme Biocytin?PyridoxineNicotinic acidBiotinThiamine14. What is the function of phosphorylase?Transfer amino groupTransfer a carboxylate groupUse H2O2 as the electron acceptorTransfer inorganic phosphate15. Cellulose is a tough component of plant fiber. Animals such as cows, horses and goats are able to digest cellulose because of their enzyme called ___________(leave answer in lowercase)16. What is the binding energy?The energy required to form a bondIt is the activation energyThe energy required to bind substrateFree energy released in the formation of enzyme-substrate interaction17. The following are correct about enzyme inhibitors except?Competitive inhibitors bind to the active site of an enzyme.Noncompetitive inhibitors bind to the active site of an enzyme.All of the aboveNoncompetitive inhibitors bind to the allosteric site of an enzyme18. Which is the enzyme that acts as a regulatory enzyme in a four-step metabolic pathway?Third enzymeSecond enzymeFirst enzymeFourth enzyme19. Competitive InhibitorTriggers enzyme to quit producing insulinAll of the aboveLooks like substrateHas the same molecular shape of substrate20. Which of the following is false about allosteric feedback inhibition?Conversion of L-leucine to L-isoleucineBacterial enzyme system is the first known exampleIf the isoleucine concentration decreases, the rate of threonine dehydration increasesThreonine dehydratase is inhibited by isoleucine21. Which one is not correct about ATP?Which one is not correct about ATP?ATP is the energy molecule of cellsMade by adding a phosphate to ADPPotential of moleculesPowers nearly all of cellular work22. Enzymes end in - aseTrueFalse23. Name the enzyme which catalyzes the oxidation-reduction reaction?OxidoreductasePhosphofructokinaseTransaminaseGlutamine synthetase24. Co factors areTrigger enzyme to quit producing insulinNon protein substances that help to facilitate enzymesInterfere with protein bondsOrganic co factors25. Enzymes are reaction specific ( each reaction has a specific enzyme that catalyzes it)TrueFalse26 out of 25Time is Up! Time's up
