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How does temperature and pH affect activ...

How does temperature and pH affect activity of enzyme ?

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Knowledge Check

  • Which of the following will not negatively affect the activity of an enzyme?

    A
    Higher temperature than optimum
    B
    Lower temperature than optimum
    C
    Lower pH than optirmum
    D
    Presence of coenzyme

  • Read of the following statements and choose the option which has all the correct statements :- (a) Enzymes are highly specific to substrate (b) Enzymes require optimum temperature and pH for maximum activity. (c) Almost all enzymes are protein (d) Enzyme increase the activation energy Options :-

    A
    a, c, d
    B
    a, b, c
    C
    b, c, d
    D
    a, b, d

  • Assertion. Activity of an enzyme is pH-dependent. Reason. Change in pH affects the solubility of the enzyme in water.

    A
    If both assertion and reason are ture, and reason is the trure explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion.
    C
    If assertion is true, but reason is false.
    D
    If both assertion and reason false.

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    Statement-1 , If temperature does not affect the rate of reaction E_(a)=o . Because Statement-2 : Lesser is the activation energy, slower is the rate.

    A : If temperature does not affect the rate of reaction , E_a=0 R : Lesser the activation energy, slower will be the reaction.

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