Urea is converted to ammonia and carbon dioxide by the action of urease. What will be the effect on the rate if the temperature of the reaction is lowered from
(the optimum temperature) to 

A) There will be no effect.
B) The rate will double.
C) The rate will triple.
D) The rate will slow down.
E) The rate will slow down, then speed up again.
Correct Answer:
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Q21: An irreversible inhibitor is one that
A)binds to
Q22: An increase in concentration of the enzyme
Q23: Which of the following is NOT true
Q24: Pepsinogen is an example of a(n)
A)allosteric enzyme.
B)isoenzyme.
C)coenzyme.
D)cofactor.
E)zymogen.
Q25: The optimum temperature for sucrase activity is
Q27: When an end product from an enzyme-mediated
Q28: Consider an enzymatic reaction in which the
Q29: "Physiological conditions" for reactions within the body
Q30: "Physiological pH," the pH for optimum activity
Q31: The creatine kinase ![]()
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