DP Chemistry (last assessment 2024)

Test builder »

Question 18M.3.hl.TZ1.d

Select a Test
Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.hl.TZ1.d
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.d

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.

[2]

Markscheme

triplet/genetic code

OR

sequence of three bases/nucleotides

 

instruction for «particular» amino acid

 

[2 marks]

Syllabus sections