Six atoms of the peptide bond group are always planar due to the ______. Dipole of amide linkage of a peptide bond is due to partially _charged carbonyl oxygen and partially _______ charged amide nitrogen. Select one: a. phi and psi angles; negatively; positively b. trans position between amide hydrogen and carbonyl oxygen; positively; negatively c. resonance structure; negatively; positively d. resonance structure; positively; negatively e. trans position between amide hydrogen and carbonyl oxygen; negatively; positively

Question

CJWilson3507 CJWilson3507

09-09-2020
Chemistry

contestada

Six atoms of the peptide bond group are always planar due to the ______. Dipole of amide linkage of a peptide bond is due to partially _charged carbonyl oxygen and partially _______ charged amide nitrogen. Select one: a. phi and psi angles; negatively; positively b. trans position between amide hydrogen and carbonyl oxygen; positively; negatively c. resonance structure; negatively; positively d. resonance structure; positively; negatively e. trans position between amide hydrogen and carbonyl oxygen; negatively; positively

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hopemichael95 hopemichael95 · Answer 1 · 2020-09-13T03:31:41+02:00

Answer:

D

Explanation:

Resonance because the lone pairs undergo resonance due tothe partial bond relationship BTW Carbon - Nitrogen bond so the bond length shortens making the six atoms of peptide bond planar

And positive because The dipole of amide linkage of a peptide bond is as a result of the partially positively charged carbonyl oxygen and partially positively charged amide oxygen.

And the negative because The carboxylic acid group -COOH is an acid donates H+ and -NH2 being a base is H+ so causes a partial negative charge to develop on -COO(-) and partial positive charge to develop on -NH3(+).l