MCQ
In a protein molecule various amino acids are linked together by
  • peptide bond
  • B
    dative bond
  • C
    $\alpha -$glycosidic bond
  • D
    $\beta -$glycosidic bond

Answer

Correct option: A.
peptide bond
a
The peptide bond is an amide bond which links amino acids together to form proteins.

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

Reaction of    $R-C -NH_2$ with a mixture of $Br_2$ and $KOH$ gives 
                              $||$
                              $O$
 $R -NH_2$ asthe  main product. The intermediates involved in this reaction are :-

$(A)$ $\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,  \\
   R-C-NHBr  \\
\end{matrix}$               $(B)$ $R-NH-Br$

$(C)$ $R-N=C=O$                $(D)$ $\begin{matrix}
   \,\,\,\,O\,\,\,\,\,\,\,\,\,\,  \\
   \,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,  \\
   R-C-NB{{r}_{2}}  \\
\end{matrix}$

Aniline reacts with acetaldehyde to form
Identify the compound $C$ in the following sequence

$(CH_3)_2CHCH_2C  \equiv  N \xrightarrow{HCl,{{H}_{2}}O}$ compound $A \xrightarrow[2.\,{{H}_{2}}O]{1.\,LiAl{{H}_{4}}}$ compound $B \xrightarrow[C{{H}_{2}}C{{l}_{2}}]{PCC}$ compound $C$

$AgCl$ dissolves in a solution of $N{H_3}$ but not in water because
Which of the following metal nitrate produces gaseous product when reacts with $KCN$ solution?
The compound($s$) which generate($s$) $\mathrm{N}_2$ gas upon thermal decomposition below $300^{\circ} \mathrm{C}$ is (are)

$(A)$ $\mathrm{NH}_4 \mathrm{NO}_3$   $(B)$ $\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7$   $(C)$ $\mathrm{Ba}\left(\mathrm{N}_3\right)_2$  $(D)$ $\mathrm{Mg}_3 \mathrm{~N}_2$

If the radius of $La ^{3+}$ (atomic number $=57$ ) is $1.06 \mathring A$, then the value (approximately) of the radius of $Lu ^{3+}$ (atomic number $=71$ ) will be :
Among the following essential amino acid is:
Above $(C-N)$ coupling reaction take place at
Bleaching powder is obtained by passing chlorine on