Lecture 6-7

Question 1

polypeptide chain is organized mostly parallel/perpendicular to a single axis

Answer 1

parallel

Question 2

secondary structure of a-keratin

Answer 2

superhelix; uncommon secondary structure

Question 3

tightly packed beta-sheet found in ? and ?

Answer 3

fibroin and b-keratin

Question 4

collagen secondary structure

Answer 4

triple helix