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  3. 4. the rate with which enzymes can transform a sub

4. The rate with which enzymes can transform a substrate varies from enzyme to enzyme, and...

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Chemistry

4. The rate with which enzymes can transform a substrate variesfrom enzyme to enzyme, and sometimes substrate to substrate. a) Howare competitive and uncompetitive reversible inhibition similar?How is their effect on rate different? b) Enzyme reaction ratesdrop off dramatically as temperatures pass 50 °C or so, and do notreturn to their previous rate when cooled. Explain the drop off inactivity and the lack of return to the previously higher reactionrates after heating. c) Pepsin is an enzyme that participates indigestion in the stomach, whereas trypsin is an enzyme thatparticipates in digestion in the small inestines. Pepsin has thehighest turnover number at around pH 2, whereas trypsin has thehighest turnover number around pH 8. Explain this difference.

Answer & Explanation Solved by verified expert
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A competitive inhibitor competes with the substrate for the active site of an enzyme but a reaction usually does not occur once the inhibitor I is bound While the inhibitor occupies the active site it prevents binding by the substrate Competitive inhibitors are often compounds that resemble the substrate and combine with the enzyme to form an EI complex This type of inhibition can be analyzed quantitatively by steadystate kinetics Because the inhibitor binds reversibly to    See Answer
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