Please fill in the information below. NAME EMAIL PHONE NUMBER 1. Which graph shows the effect of pH on enzyme activity? Graph AGraph BGraph CGraph D2. Competitive InhibitorTriggers enzyme to quit producing insulinAll of the aboveHas the same molecular shape of substrateLooks like substrate3. Which of the following function is catalyzed by Racemases?Inversion of asymmetric carbon atomInterconversion of L and D stereoisomersIntramolecular transfer of a functional groupRemoval of water4. Which of the following is true about enzymes?When the shape of the enzyme is lost – this is called DENATURING.They are all dependent on certain factors like Temperature and pH.Enzymes only work when conditions are prefect for them.All of the above.5. Name the enzyme secreted by pancreas?TrypsinAlcohol dehydrogenasChymotrypsinPepsin6. Which one is not an enzyme used for MI diagnosis?LDHTroponin TALTAST7. 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.PH 6 - 8 for most enzymes.All of the above8. ___________ inhibitors change the shape of an enzyme.DistributiveNondistributiveCompetititveNoncompetitive9. How many types of enzymatic regulation mechanism occurs in the cells?325410. Name the enzyme which catalyzes the oxidation-reduction reaction?PhosphofructokinaseOxidoreductaseTransaminaseGlutamine synthetase11. _____ is required to start a reaction. (leave answer in lowercase)12. Which of the following is the CORRECT function of enzyme, Peptidase?Removal of H2ORemove phosphate from a substrateCleave phosphodiester bondCleave amino bonds13. Which of the following is an example of ligases enzyme?CarboxylasesMutasesRacemasesEpimerases14. Enzymes are reaction specific ( each reaction has a specific enzyme that catalyzes it)FalseTrue15. Forming and breaking bonds requires ________ depending upon what kind of a reaction you have.fuelenergyfusionprotein16. The following are correct about enzyme inhibitors except?Noncompetitive inhibitors bind to the allosteric site of an enzymeCompetitive inhibitors bind to the active site of an enzyme.Noncompetitive inhibitors bind to the active site of an enzyme.All of the above17. What is the binding energy?It is the activation energyThe energy required to bind substrateThe energy required to form a bondFree energy released in the formation of enzyme-substrate interaction18. ___________ reactions are chemical reactions that build or synthesize products by combining the substrates.(leave answer in lowercase)19. Which of this vitamin is associated with the coenzyme Biocytin?Nicotinic acidThiaminePyridoxineBiotin20. Which of the following is false about feedback regulation?The synthesis of concerned enzyme is inhibited by interfering with the gene of that enzymeThe best example is the biosynthesis of L-isoleucine from L-threonine in bacteriaConcentration of enzyme is reduced by the end productIt is a type of enzymatic activity regulation21. Out of the four things listed what will most likely not affect an enzymePHH20TemperatureSalt22. Which of the following is NOT an enzyme?SucroseCatalasePepsinAmylase23. Inhibitors areLook like the substrateUse the active siteFight for positionChemical that interfere with enzyme activity24. Which of the following takes place due to phosphorylation of isocitrate dehydrogenase?No reactionInhibits the binding of citrate at active siteDegrades the enzymeEnhances the substrate-binding affinity25. Enzyme increases the rate of reaction by lowering the activation energy.FalseTrue26 out of 25Time is Up!
