DP Chemistry (last assessment 2024)
Question 18M.3.sl.TZ1.6a
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.sl.TZ1.6a |
| Level | sl | Paper | 3 | Time zone | TZ1 |
| Command term | Draw | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.sl.TZ1.6a
Insulin was the first protein to be sequenced. It was determined that the end of one chain had the primary structure Phe–Val–Asn–Gln.
(a)
Draw the structural formula of a dipeptide containing the residues of valine, Val, and asparagine, Asn, using section 33 of the data booklet.
[2]
Markscheme
correct structures of Val AND Asn
correct amide link
[2 marks]
