MCQ
A biological catalyst is essentially
  • An enzyme
  • B
    A carbohydrate
  • C
    An amino acid
  • D
    A nitrogen compound

Answer

Correct option: A.
An enzyme
a
(a) An enzyme (protein) is a biological catalyst.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The most stable complex among the following is
$IUPAC$  name of $\left[ {Pt{{(N{H_3})}_3}(Br)(N{O_2})Cl} \right]Cl$ is
Which of the following is formed when $ n-$ butyl lithium reacts with tin $(II) $ chloride
To carry out above conversion, arrange the following reagents in correct order

$\begin{matrix}
   {{O}_{3}}/Zn  \\
   (1)  \\
\end{matrix}\,\,\,\,\,\,\,\,\,\,\begin{matrix}
   EtONa/EtOH/\Delta   \\
   (2)  \\
\end{matrix}\,\,\,\,\,\,\,\,\,\,\,\begin{matrix}
   NaOCl  \\
   (3)  \\
\end{matrix}\,\,\,\,\,\,\,\,\,\begin{matrix}
   {{H}^{+}}  \\
   (4)  \\
\end{matrix}$

The unit of rate constant for a first order reaction is
The zinc/silver oxide cell is used in electric watches. The reaction is as following,

$Zn ^{2+}+2 e ^{-} \rightarrow Zn ; E ^{\circ}=-0.760 \,V$

$Ag _{2} O + H _{2} O +2 e ^{-} \rightarrow 2 Ag +2 OH ^{-} ; E ^{\circ}=0.344 \,V$

If $F$ is $96,500 C mol ^{-1}$ $\Delta G ^{\circ}$ of the cell will be $....$ (In $kJ mol ^{-1}$)

Electrical conductance through metals is called metallic or electronic conductance and is due to the movement of electrons. The electronic conductance depends on
From the vitamins $\mathrm{A}, \mathrm{B}_1, \mathrm{~B}_6, \mathrm{~B}_{12}, \mathrm{C}, \mathrm{D}, \mathrm{E}$ and $\mathrm{K}$, the number vitamins that can be stored in our body is............
Which optically active compound on reduction with $LiAlH_4$ will give optically inactive compound ?
Strong reducing and oxidizing agents among the following, respectively, are