DP Chemistry (last assessment 2024)

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Question 18M.3.hl.TZ1.6d

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.hl.TZ1.6d
Level hl Paper 3 Time zone TZ1
Command term Describe Question number d Adapted from N/A
d.
[Maximum mark: 2]
18M.3.hl.TZ1.6d

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.

(d)

Describe how DNA determines the primary structure of a protein such as insulin.

[2]

Markscheme

triplet/genetic code

OR

sequence of three bases/nucleotides

 

instruction for «particular» amino acid

 

[2 marks]

Syllabus sections