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BCH100fall_HW_6_2010 - Benita Fall'2010 ELIE-lifts{a points...

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Unformatted text preview: Benita Fall'2010 ELIE-lifts {a points} 9.9311111: (0.3 point} A protein must have structure to be allosterically regulated. Put only one word and spell it correctly. Cl‘uGTE‘r HG r5 Queetlonfl: (0.3 point) Which of the following is not a mechanism of enzyme regulation? 21.) Feedback inhibition by product. to.) Addition or removal of phosphate groups to amino acids with —DH groups. c.) Stimulation by a substrate or product. d.) Proteolytic cleavage r e.) All are mechanisms of regulation. Quesflgn fl: [0.3 point) Which of these is a function or capability of the active site of an enzyme? 3.) Binding of an allosteric activator b.) Binding 01 a necessary detector c.) Binding 3 non-competitive inhibitor - F d.) Binding the substrate it.) Both b and d Question g: (0.8 point) The K . s an enzyme: is equal to the substrate concentration that gives half of the maximal veloaity of an enzyme .) is a hypothetical number that cannot be determined experimentally c.) is positively affected by a non-competitive inhibitor _ is a measure of how tightly an enzyme binds to an aiiosteric activator Q} both a and d Question #5: {0.8 point} Vmax: a.) is half of the maximal velocity at which an enzyme can function ,5) is reduced by a competitive inhibitor ’25) is determined on a Lineweaver-Burke plot by taking the H reciprocal of the x-intercept {13 is high for an enzyme with a high Km and low substrate affinity 9.} none of the above ...
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