The $\phi$ and $\Psi$ angles are the
A) flatness of the peptide bond.
B) torsion angles on either side of the $\alpha$-carbon.
C) angles of each amino acid side chain.
D) peptide bond plane angle.

Question

Quizplus · Accepted Answer

The symbols provided seem to be a misrepresentation or encoding error for phi (φ) and psi (ψ) angles, which are indeed the torsion angles on either side of the alpha (α)-carbon in amino acids, defining the backbone conformation of proteins.

The ϕ\phiϕ And Ψ\PsiΨ Angles Are the A) Flatness of the Peptide Bond

The $\phi$ And $\Psi$ Angles Are the
A) Flatness of the Peptide Bond