Download App

10. Biomolecules — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry10. Biomolecules1 Mark
MCQ
Which one of the following structures represents the peptide chain
  • ✓
    $ - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop {\mathop C\limits_{||} }\limits_O - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop {\mathop C\limits_{||} }\limits_O - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop {\mathop C\limits^{||} }\limits^O - $
  • B
    $ - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop C\limits_|^| - \mathop {\mathop C\limits^{||} }\limits^O - \mathop {\mathop N\limits_| }\limits_H - \mathop C\limits_|^| - \mathop C\limits_|^| - \mathop {\mathop N\limits^| }\limits^H - \mathop {\mathop C\limits_{||} }\limits_O - \mathop C\limits_|^| - \mathop C\limits_|^| - $
  • C
    $ - \mathop {\mathop N\limits^| }\limits^H - \mathop {\mathop C\limits_{||} }\limits_O - \mathop {\mathop N\limits_| }\limits_H - \mathop C\limits_|^| - NH - \mathop {\mathop C\limits^{||} }\limits^O - NH - $
  • D
    $ - \mathop {\mathop N\limits^| }\limits^H - \mathop {\mathop C\limits_{||} }\limits_O - \mathop C\limits_|^| - \mathop C\limits_|^| - \mathop C\limits_|^| - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop C\limits_|^| - \mathop C\limits_|^| - $
✓

Answer

Correct option: A.
$ - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop {\mathop C\limits_{||} }\limits_O - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop {\mathop C\limits_{||} }\limits_O - \mathop {\mathop N\limits^| }\limits^H - \mathop C\limits_|^| - \mathop {\mathop C\limits^{||} }\limits^O - $
a
(a) In peptide linkage i.e., $-CONH -$ group, the carboxyl group of one amino acid molecules forms an amide by combination with the amino group of the next amino acid molecule with the liberation of water molecule.

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

Explore more

More "M.C.Q (1 Marks)" from 10. Biomolecules→10. Biomolecules — all question types→Chemistry STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Most stable product of the following reaction is.
→
The reaction is $C{H_3}CH = C{H_3}\mathop {\xrightarrow{{CO + {H_2}O}}}\limits_{{H^ + }} $  $\begin{array}{*{20}{c}}
  {C{H_3} - CH - C{H_3}} \\ 
  {|\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,COOH} 
\end{array}$ known as
→
The gas evolved on heating $CH_3MgBr$  in methanol is
→
What transformation of energy takes place when current is drawn from a cell ?
→
An organic compound undergoes first-order decomposition. The time taken for its decomposition to $1 / 8$ and $1 /$ $10$ of its initial concentration are $t _{1 / 8}$ and $t _{1 / 10}$ respectively. What is the value of $\frac{\left[1_{t / 8}\right]}{\left[ t _{1 / 10}\right]} \times 10 ?\left(\log _{10} 2=0.3\right)$
→
What will be the molality of a solution having $18\,g$ of glucose (mol. wt. $= 180$) dissolved in $500\,g$ of water .......... $m$
→
Sodium is made by the electrolysis of a molten mixture of about $40\%$ $NaCl$ and $ 60\%$ $CaC{l_2}$ because
→
(see figure) Major product of following reaction
→
The cell reaction $Mn + 2Ag_{\left( {{C_1}} \right)}^ + \left( {aq} \right) \to Mn_{\left( {{C_2}} \right)}^{ + 2}\left( {aq} \right) + 2Ag$ is represented by
→
In a hydrogen -oxygen fuel cell, combustion of hydrogen occurs to
→