Question

1) The following oligopeptide could predominantly form turns and loopsin a protein

a)WYPTGPGSGP

b)IVLDENDDEN

c)WTAWWGSVIL

d)IVLDNPTNGI

e)WYLDAWPTEE

2) Which of the following reagent is used to cleave disulfide linkage

a) Urea

b) SDS

c) Guanidinum hydrochloride

d) Acetic acid

e) Noneof the above

3) In biological macromolecules, the following two non-polar groups most commonly participates in the formationof hydrophobic interactions

a)N-H andO-H

b)N-H andC-H

c)C-H andC-C

d)C-H andO-H

e)C-C andO-P

Need also explanation why!!