MCQ
The enzymes are destroyed by:
- ACooling
- BHeating
- CDrying
- DNone of the above
Explanation:
When the protein in the enzyme denatures then its function are lost. Some enzymes extracted from bacterias can sustain a temperature upto 70°c.
Enzymes in human body can work to an optimum temperature of 42°c after that they get denatured.
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$2 Fe _{( s )}+ O _{2( g )}+4 H _{( aq )}^{+} \rightarrow 2 Fe _{( aq )}^{2^{+}}+2 H _2 O ( l ) \quad E ^{\circ}=1.67 V$, At $\left[ Fe ^{2+}\right]=10^{-3} M , P \left( O _2\right)=0.1$ atm and $pH =3$, the cell potential at $25^{\circ} C$ is