DP Chemistry (last assessment 2024)

Test builder »

Question 19M.3.sl.TZ2.a(i)

Select a Test
Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.sl.TZ2.a(i)
Level sl Paper 3 Time zone TZ2
Command term State Question number a(i) Adapted from N/A
a(i).
[Maximum mark: 1]
19M.3.sl.TZ2.a(i)

Proteins have structural or enzyme functions.

Some proteins form an α-helix. State the name of another secondary protein structure.

[1]

Markscheme

β/beta pleated/sheet  [✔]

Examiners report

This question was quite well answered with many scoring the mark although there were quite a few incorrect responses that answered “beta-helix” rather than “beta-pleated sheet”.