DP Biology (first assessment 2025)

Test builder »

Question 21M.1A.HL.TZ1.28

Select a Test
Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.HL.TZ1.28
Level HL Paper 1A Time zone TZ1
Command term Question number 28 Adapted from N/A
28.
[Maximum mark: 1]
21M.1A.HL.TZ1.28

Which statement applies to the tertiary structure of enzymes?

A. Tertiary structure is the sequence of amino acids in an enzyme.

B. Some enzymes do not have a tertiary structure.

C. An example of tertiary structure in an enzyme is the alpha helix.

D. A change in the tertiary structure of an enzyme may result in a change in the structure of the active site.

[1]

Markscheme

D

Syllabus sections