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- Multiple choice correct answer and explain every point 2. The factors that contribute to the enhancement of the rate of reactionsa) Specific inhibitor macromoleculesb) Product inhibitionc) Availability of substrate and activator cofactord) Covalent catalysise) Proximity and orientation effects2. What effect does raising the pH have on enzyme kinetics? Group of answer choices Leads to fast reaction rates Leads to slower reaction rates It has no effect The effect depends on the enzymeBIOMOLECULES - 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 - Please answer the questions properly. - Multiple choice 1. 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 substrate 2. Supposed you tried to drop a piece of liver into a hydrogen peroxide solution. You noticed that the peroxide solution vigorously produced bubbles. Which of the following caused the observed reaction? A. liver and peroxide are joining together to make a new protein B. more peroxide is being created by the liver C. peroxide is destroying germs in the liver D. peroxide is being broken into water and oxygen- 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 reactionExplain Why and How Questions???Give the reasons and examples!!Add Structures too!1- Enzymes behavior changes during Michalis Mentin curve?2- Lyase is typically opposite ligase enzymes
- An allosteric inhibitor does which of the following? Binds to an enzyme away from the active site and changes the conformation of the active site, increasing its affinity for substrate binding Binds to the active site and blocks it from binding substrate Binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate Binds directly to the active site and mimics the substrate.Which of the following fermentation methods can occur in animal skeletal muscles? lactic acid fermentation alcohol fermentation mixed acid fermentation propionic fermentationWhich of the following is not true about enzymes They increase ?G of reactions They are usually made of amino acids They lower the activation energy of chemical reactions Each one is specific to the particular substrate(s) to which it hinds.
- - Multiple Choice - Explain your answer in 3-5 sentences. - answer properly QUESTION: Which of the following enzyme catalyzes a reaction that introduces reduced nitrogen ito cellular metabolism? a. Bacterial glutamine synthase b. Bacterial dinitrogenase reductase c. Bacterial dinitrogenase oxidase d. PhosphataseBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Which of the following best describes the relationship between a reactant molecule and an enzyme? A. it is a permanent mutual alteration of structure B. it is a temporary association C it is an association stabilized by a covalent bond D. it is one in which the enzyme is changed permanently 2. Which of the following best describes an apoenzyme? A. it is a complete, biologically active conjugated enzyme B. it is a prosthetic group C. it is a protein portion of an enzyme D. it is a non-protein groupI have glucoseoxidase 1000 Udl-1. What is the exact unit of the enzyme that could work for 1 micromole of substrate.