explain number 7.

6.- Peptide bonds have double bond properties, therefore free rotation around the peptide bond is possible. TRUE/FALSE: proteins to fold to their native structures under physiological conditions? 7.- Which are the two possible conformations of the peptide group (represent a peptidic group in each conformation and indicate which one is which)? Which of these two conformations is the most commonly found in proteins and why? When answering this last question, please also describe what occurs with proline-containing peptide groups and why