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- BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following best describes the transition state of a catalyzed reaction? A. higher in energy than that of an uncatalyzed reaction B. lower in energy than that of an uncatalyzed reaction C. bound very weakly to the catalyst D. lower energy than the reaction substrateVI - BIOMOLECULES Instructions : - Answer the question properly. - Please do not copy here in Bartleby - Explain why did you choose that answer in 3-5 sentences. QUESTION : 1. Which of the following enzyme is responsible for the regulation of biological nitrogen fixation? A. Dinitrogenase reductase B. Dinitrogenase oxidase C. Phosphatase D. KinaseBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Which of the following choices is correct about the active site of an enzyme? A. contains amino acids without sidechains B. remains rigid and does not change shape C. is found at the center of globular enzymes D. none of the above choices is correct 2. The induced fit model describes one method where an enzyme’s active site can accept some specific substrate. Which of the following explains the “induced fit” model regarding enzyme-substrate binding? A. upon binding to the enzyme, the substrate already fits perfectly into the active site B. upon binding to the enzyme, the substrate changes its own shape so that it fits perfectly C. upon binding to the enzyme, the substrate changes the shape of the enzyme so that it fits perfectly D. all of these are examples of induced fit
- BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Enzymes can be regulated in a many different ways. Covalent modification is one way. Here, the functional groups are attached to or removed from the enzyme. A phosphate group is an example of a functional group that can be added to an enzyme. Depending on the enzyme, addition of a phosphate group can either increase or decrease an enzyme's activity. Evaluate the following names and identify the general name of an enzyme that functions to add phosphate groups to its substrate? A. isomerase B. phosphatase C. kinase D. ligaseBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Supposed you want to use phosphoglucomutase to breakdown glycogen. You found out that this enzyme is responsible for converting glucose 1-phosphate (C6H13O9P) to glucose-6-phosphate (C6H13O9P). Based on this action, to which enzyme class does phosphoglucomutase belong? A. Ligase B. Isomerase C. Oxidoreductase D. Lyase 2. Enzymes can be regulated in a many different ways. Covalent modification is one way. Here, the functional groups are attached to or removed from the enzyme. A phosphate group is an example of a functional group that can be added to an enzyme. Depending on the enzyme, addition of a phosphate group can either increase or decrease an enzyme's activity. Evaluate the following names and identify the general name of an enzyme that functions to add phosphate groups to its substrate? A. ligase B. isomerase C. phosphatase D. kinaseModified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. The reaction involving the substrate bound to the active site of an enzyme is made more favorable by increasing the activation energy of the reaction.
- BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Major controls of de novo AMP synthesis include: 1. allosteric inhibition by GMP. 2. allosteric inhibition by AMP. 3. availability of PRPP. 4. stimulation by GTP A. 1, 2, and 3 B. 1, 2, 3, and 4 C. 2 and 4 D. 1 and 3Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. The Michaelis-Menten Constant (Km) of an enzyme is equal to the enzyme concentration at which the initial velocity of the reaction is one half of maximum velocity (Vmax).BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Supposed you want to use phosphoglucomutase to breakdown glycogen. You found out that this enzyme is responsible for converting glucose 1-phosphate (C6H13O9P) to glucose-6-phosphate (C6H13O9P). Based on this action, to which enzyme class does phosphoglucomutase belong? A. Isomerase B. Oxidoreductase C. Lyase D. Ligase
- - Multiple Choice - Explain your answer in 3-5 sentences. - answer properly QUESTION: The allosteric inhibitor of an enzyme ___________ a. Causes the enzyme to work faster b. Binds to the active site c. Participates in feedback regulation d. Denatures the enzymeBIOMOLECULES - Please answer the questions properly. - Multiple choice Qyestion 1 : If a cell has an adequate supply of adenine nucleotides but requires more guanine nucleotides for protein synthesis: 1. Glutamine-PRPP amidotransferase will not be fully inhibited. 2. AMP will be a feedback inhibitor of the condensation of IMP with aspartate. 3. ATP will stimulate the production of GMP from IMP. 4. ATP will inhibit nucleoside diphosphate reductase. A. 1, 2, and 3 B. 2 and 4 C. 1, 2, 3, and 4 D. 1 and 3- Multiple Choice - Explain your answer in 3-5 sentences. - answer properly QUESTION: Which of the following takes place due to phosphorylation of isocitrate dehydrogenase? a. Inhibits the binding of citrate at active site b. Degrades the enzyme c. Enhances the substrate-binding affinity d. No reaction