Fill in the blanks: What occurred in the reaction, Sn4+ → Sn²+ A. oxidation B. reduction B. reduction C. hydrolysis D. none of the above
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- Question 8 of 13 Fill in the blanks: Write C if only statement A is correct, Hif only statement B is correct, E if both statements are correct, M if both statements are incorrect. A. An enzyme catalyzes a reaction by providing an alternative reaction pathway that has a lower energy of activation. B. The enthalpy of the enzyme-catalyzed reaction decreases significantly as compared to the uncatalyzed reaction.QUESTION 1 If a reaction has a Delta G of 42: a. The reaction is energy requiring b The reaction is exergonic c. The reaction is endergonic d. The reaction is non-spontaneous e. The reaction is spontaneous QUESTION 2 Which if any, of the following are true of enzymes? a They are biologic catalystsQuestion 7 of 13 Fill in the blanks: Write C if only statement A is correct, Hif only statement B is correct, E if both statements are correct, M if both statements are incorrect. A. A lower KM reflects a less efficient enzyme. B. The KM is equivalent to the substrate concentration at 50% of the reaction's velocity limit.
- Question 13 of 13 Fill in the blanks: Write C if only statement A is correct, Hif only statement B is correct, E if both statements are correct, M if both statements are incorrect. A.An inhibitor that binds somewhere in the enzyme other than the active site is an uncompetitive inhibitor. B. With this mode of inhibitor binding, the substrate's affinity to the enzyme is affected and it decreases the maximum reaction velocity.Question 12 The breakdown of large molecules by the enzymatic addition of water is an example of what kind of reaction? a. reduction O b. oxidation O c. hydrolysis O d. condensation O e. decarboxylationQUESTION 35 Consider the following two reactions: Reaction A, AG= -7.3 kcal/mol Reaction B, AG = +4.0 kcal/mol. The overall coupled reaction would be O a. exergonic; -11.3 Ob. exergonic; -3.3 c. endergonic; -3.9 d. endergonic; +3.3 O e. exergonic; +11.3 with a net AG of kcal/mol. Click Save and Submit to save and submit. Click Save All Answers to save all answers.
- QUESTION 12 What chemical species does chymotrypsin stabilize the most during the course of the reaction? OA. the transition state O B. the substrate OC. the product(s) OD. the ES complex CE. the tetrahedral intermediateQuestion 36 What type of reactions is represented below? CH2OH CH2OH C=0 H-C-OH HO-C-H HO-C-H CH2OH CH2OH O oxidation of a secondary alcohol O oxidation of a primary alcohol O oxidation of a ketotetrose O reduction of a ketotetroseQUESTION 2 AG of a reaction is influenced by the temperature at which the reaction takes place. This is due to the fact that increasing temperature increases the effect of which of the following variables in calculating AG? O bond energy O enthalpy O entropy O the rate constant
- QUESTION 3 In a spontaneous reaction O A. the total amount of energy in the reacting system increases O B. the total amount of energy in the reacting system decreases O C. More energy is created than is used O D. free energy of the reactants is greater than the free energy of the products E. free energy of the products is greater than the free energy of the reactants QUESTION 4 Coupling 2 reactions O A. makes the non spontaneous reaction become spontaneous B. pairs an endergonic reaction with an exergonic reaction C. allows for a series of reactions to have a net positive delta G D.A and B OE. A and B and C QUESTION 5 Breaking down glucose in cellular respiration O A. allows the cell to make energy B. transforms energy from the chemical bonds of glucose C. is a catabolic reaction O D.A and B O E. B and CQuestion 2 of 13 Fill in the blanks: Write Cif only statement A is correct, Hif only statement B is correct, E if both statements are correct, Mif both statements are incorrect. A. The dissociation of the ES complex to the product is more energetically favored than its dissociation into the separate enzyme and substrate. B. The rate determining step in enzymatic catalysis is the binding of the substrate to the active site of the enzyme.QUESTION 18 In the serine protease trypsin, the specificity for one substrate over another describes what type of catalysis? OA. proximity B. acid-base C. covalent OD. metal ion