A-Level
EDEXCEL
Chemistry
June 2017
1 Marks
QP-201706-Chemistry-U5-old · Question 19
Question (excerpt):
19 Fibroin is one of the proteins in silk. Part of the structure of fibroin is shown. O ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ O OH O O O O N H N H N H N H N H N H How many different amino acids have combined to form this p…
19 Fibroin is one of the proteins in silk. Part of the structure of fibroin is shown. O ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ O OH O O O O N H N H N H N H N H N H How many different amino acids have combined to form this p…
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