A) Enzymes require optimum pH for maximal activity
B) Enzymes are denatured at high temperature but in certain exceptional organisms they are effective even at temperatures \[80{}^\circ -90{}^\circ C\]
C) Enzymes are highly specific
D) Most enzymes are proteins but some are lipids
Correct Answer: D
Solution :
| [D] Enzymes show pH sensitivity and require an optimum pH for maximal activity. Enzymes are thermolabile (heat sensitive) and denatured at high temperatures. However, extremophiles (thermophilic bacteria) are exceptions. Most of the enzymes are highly specific in their action. Most enzymes are proteins but exceptionally some are RNA enzymes, eg, ribozymes. |
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