X-ray diffraction of wool shows repeated structural units spaced at 5.2 Å, which is changed to7.0 Å on steaming. This is due to the conversion of secondary structure from

Biotechnology Engineering (M.Phil./Ph.D.) 2016 Panjab University Entrance Exam With Answers

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20.

A: β-sheet to random coil

B: α-helix to random coil

C: β-sheet to α-helix

D: α-helix to β-sheet

The answer is: D

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