DP Biology (last assessment 2024)

Test builder »

Question 22M.2.SL.TZ1.c

Select a Test
Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ1.c
Level SL Paper 2 Time zone TZ1
Command term Explain Question number c Adapted from N/A
c.
[Maximum mark: 2]
22M.2.SL.TZ1.c

The diagrams represent the structure of a protein before and after it has become denatured.

[Source: Dean Williams, L., 2019. Molecular Interactions. [online] Available at: https://ww2.chemistry.gatech.edu/~lw26/
structure/molecular_interactions/mol_int.html [Accessed 20 August 2019].]

Explain how denaturation affects the activity of an enzyme.

[2]

Markscheme
  1. changes the shape of the (active site) of the enzyme;
  2. substrate would be unable to attach to the enzyme/active site;
  3. slows the enzyme activity / prevents reaction/catalysis from proceeding;

Syllabus sections