4.        (4) For each polypeptide
sequence listed, choose from the options given below to indicate
which secondary structure the sequence is most likely to form upon
folding. Justify your choices.

A.       
Leu-Gly-Val-Leu-Ser-Leu-Phe-Ser-Gly-Leu-Met-Trp-Phe-Phe-Trp-Ile

B.       
Leu-Leu-Gln-Ser-Ile-Ala-Ser-Val-Leu-Gln-Ser-Leu-Leu-Cys-Ala-Ile

amphipathic α helix
           
hydrophilic β sheet

amphipathic β sheet
          
hydrophobic α helix
          

hydrophilic α helix