14. Do the –H groups bound to
the central carbons participate
in the peptide bond?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The carbons themselves, the –R
groups and the hydrogens attached to
the central carbons do not in
the peptide bond.