10/05/2020 Enzymes(Senior Class Biology Study by Topics) 0Comments by Gate Academy Please fill in the information below. NAME EMAIL PHONE NUMBER 1. ___________ inhibitors change the shape of an enzyme.NondistributiveNoncompetitiveDistributiveCompetititve2. How many types of enzymatic regulation mechanism occurs in the cells?52433. Which of the following reaction is catalyzed by Lyase?Intramolecular rearrangement of bondsTransfer of group from one molecule to anotherFormation of bondsBreaking of bonds4. The following is the right optimal pH for most enzymes and stomach enzymes except?PH 6 - 8 for most enzymes.All of the abovePH 5 - 9 for most enzymes.PH of 2 for stomach enzymes5. 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)6. _____ is required to start a reaction. (leave answer in lowercase)7. Which one is not an enzyme used for MI diagnosis?ALTLDHASTTroponin T8. Which of the following function is catalyzed by Racemases?Intramolecular transfer of a functional groupInversion of asymmetric carbon atomInterconversion of L and D stereoisomersRemoval of water9. 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 affinity10. Active site is?Balance of living organism can affect the enzymeWhere there is a shape change that occurs when bondingWhere the enzyme and molecule bond togetherWhere the reactant fits into the enzyme11. Which one is not correct about ATP?Which one is not correct about ATP?Potential of moleculesATP is the energy molecule of cellsPowers nearly all of cellular workMade by adding a phosphate to ADP12. What is the function of phosphorylase?Transfer a carboxylate groupTransfer inorganic phosphateTransfer amino groupUse H2O2 as the electron acceptor13. Energy is _______________ by the products in endergonic chemical reactions.distributedabsorbedtransferredreversed14. The allosteric inhibitor of an enzyme ______Causes the enzyme to work fasterParticipates in feedback regulationDenatures the enzymeBinds to the active site15. Enzymes end in - aseFalseTrue16. A __________is a biocatalyst that increases the rate of the reaction without being changed.Silicon dioxideHydrogen peroxideEnzymeAluminum oxide17. Which is the enzyme that acts as a regulatory enzyme in a four-step metabolic pathway?Second enzymeFirst enzymeFourth enzymeThird enzyme18. Which of the following enzyme is responsible for the regulation of biological nitrogen fixation?Dinitrogenase reductaseKinaseDinitrogenase oxidasePhosphatase19. Which of the following is the CORRECT function of enzyme, Peptidase?Remove phosphate from a substrateRemoval of H2OCleave amino bondsCleave phosphodiester bond20. ___________ reactions are chemical reactions that build or synthesize products by combining the substrates.(leave answer in lowercase)21. Enzyme increases the rate of reaction by lowering the activation energy.TrueFalse22. Which line in the graph shows the presence of an enzyme in a chemical reaction? Line 2Line 123. Name the enzyme secreted by pancreas?ChymotrypsinTrypsinAlcohol dehydrogenasPepsin24. The attachment of phosphoryl groups to specific amino acid residues is catalyzed by ______Diphteria toxin and cholera toxinProtein kinasesProtein phosphatasesDinitrogenase reductase25. Which of this vitamin is associated with the coenzyme Biocytin?PyridoxineNicotinic acidThiamineBiotin26 out of 25Time is Up!