| Date | May 2018 | Marks available | 2 | Reference code | 18M.3.hl.TZ1.6 |
| Level | HL | Paper | 3 | Time zone | TZ1 |
| Command term | Describe | Question number | 6 | Adapted from | N/A |
Question
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.
Describe how DNA determines the primary structure of a protein such as insulin.
Markscheme
triplet/genetic code
OR
sequence of three bases/nucleotides
instruction for «particular» amino acid
[2 marks]
Examiners report
[N/A]
