For the functioning of enzymes,which of the f | vedclass

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(D) Enzymes are biological catalysts. Catalysts function by providing an alternative pathway with lower activation energy for a reaction. The lower th

Vedclass · Accepted Answer

They always increase activation energy

Vedclass · Answer

(D) Enzymes are biological catalysts. Catalysts function by providing an alternative pathway with lower activation energy for a reaction. The lower the activation energy,the faster the rate of the reaction. Therefore,enzymes speed up reactions by lowering the activation energy,not by increasing it. Thus,the statement that they always increase activation energy is incorrect.

Column-$I$	Column-$II$
$A$. Zymase	$i$. Absence of air
$B$. Invertase	$ii$. Copper sulphate and pyridine
$C$. Anaerobic condition	$iii$. Sucrose
$D$. Denaturation of ethanol	$iv$. Ethanol

For the functioning of enzymes,which of the following statements is not correct?

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Match the items in Column-$I$ with the appropriate items in Column-$II$.

Column-$I$ Column-$II$

$A$. Zymase $i$. Absence of air

$B$. Invertase $ii$. Copper sulphate and pyridine

$C$. Anaerobic condition $iii$. Sucrose

$D$. Denaturation of ethanol $iv$. Ethanol

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