Bio-Physics (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

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38.

The peptide bond in proteins is

A: Nonpolar,but rotates to three preferred dihedral angles
B: Planar,but rotates to three preferred dihedral angles
C: Nonpolar and fixed in a trans configuration
D: Planar and usually found in the trans configuration

The answer is: D