Which of the following is correct with reference to enzymes?

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Enzymes work efficiently at high temperatures and high pressures.

Enzymes through their allosteric site, catalyse reactions at a higher rates.

An active site of an enzyme is a crevice or pocket into which the substrate is bound.

Thermal stability is an important quality of enzymes isolated from halophilic organisms.

answer is C.

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Detailed Solution

In the tertiary structure of proteins it is noticed that the backbone of the protein chain folds upon itself, the chain criss-crosses itself and many crevices or pockets are made. One such pocket is the ‘active site’. An active site of an enzyme is a crevice or pocket into which the substrate is bound. Thus enzymes, through their active site, catalyse biochemical reactions at a higher rates.

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