In a typical Ramachandran plot, _____ is plotted vs _____ to illustrate _______.
A)$\varPhi$; $\Psi$; dependence of $\Psi$ upon $\varPhi$
B) $\Psi$; $\varPhi$; dependence of $\varPhi$ upon $\Psi$
C)$\varPhi$; $\Psi$; allowable combinations of $\Psi$ and $\varPhi$
D) $\Psi$; $\varPhi$; allowable combinations of $\Psi$ and $\varPhi$
E)none of the above

Question

In a typical Ramachandran plot, _____ is plotted vs _____ to illustrate _______.
A)$\varPhi$;  $\Psi$; dependence of  $\Psi$ upon $\varPhi$
B) $\Psi$; $\varPhi$; dependence of $\varPhi$ upon  $\Psi$
C)$\varPhi$;  $\Psi$; allowable combinations of  $\Psi$ and $\varPhi$
D) $\Psi$; $\varPhi$; allowable combinations of  $\Psi$ and $\varPhi$
E)none of the above

Quizplus · Accepted Answer

In a typical Ramachandran plot, phi (ϕ) is plotted on the x-axis and psi (ψ) is plotted on the y-axis to illustrate the allowable combinations of ϕ and ψ angles in a protein backbone conformation. Choice A and B have incorrect labeling of x and y axes, and Choice C has an incorrect explanation.

In a Typical Ramachandran Plot, _____ Is Plotted Vs _____ Φ\varPhiΦ

In a Typical Ramachandran Plot, _ Is Plotted Vs _ $\varPhi$