Question

Peptide linkage is:

Options

• \[\begin{array}{cc}
  \ce{O}\phantom{....}\\
  ||\phantom{....}\\
  \phantom{.}\ce{- C - O -}
  \end{array}\]

• \[\begin{array}{cc}
  \ce{O}\phantom{....}\\
  ||\phantom{....}\\
  \phantom{.}\ce{- C - NH2}
  \end{array}\]

• \[\begin{array}{cc}
  \ce{O}\phantom{......}\\
  ||\phantom{......}\\
  \phantom{.}\ce{- C - NH -}
  \end{array}\]

• \[\begin{array}{cc}
  \ce{O}\phantom{..........}\\
  ||\phantom{..........}\\
  \phantom{.}\ce{- C - NH - NH2}
  \end{array}\]

Answer 1

\[\begin{array}{cc}
\ce{O}\phantom{......}\\
||\phantom{......}\\
\phantom{.}\ce{- C - NH -}
\end{array}\]