DP Biology (first assessment 2025)

Question SPM.1A.SL.TZ0.4

Date	May Specimen-2023	Marks available	[Maximum mark: 1]	Reference code	SPM.1A.SL.TZ0.4
Level	SL	Paper	1A	Time zone	TZ0
Command term		Question number	4	Adapted from	N/A

[Maximum mark: 1]

SPM.1A.SL.TZ0.4

The diagrams show the structure of leucine, an essential amino acid. Which diagram highlights the part of leucine that distinguishes it from other amino acids?

[1]

Markscheme

Syllabus sections

B. Form and function

B. Form and function » B1.2. Proteins » B1.2.6. Chemical diversity in the R-groups of amino acids as a basis for the immense diversity in protein form and function

B. Form and function » B1.2. Proteins

Question SPM.1A.SL.TZ0.4

Select a Test

Syllabus sections

Confirm action