DP Biology (last assessment 2024)
Question 17N.2.HL.TZ0.07a
Date | November 2017 | Marks available | [Maximum mark: 3] | Reference code | 17N.2.HL.TZ0.07a |
Level | HL | Paper | 2 | Time zone | TZ0 |
Command term | Draw, Label | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 3]
17N.2.HL.TZ0.07a
(a)
Nitrogen is part of many important substances in living organisms.
Draw labelled diagrams to show a condensation reaction between two amino acids.
[3]
Markscheme
a. at least one of the amino acid structures completely correct
b. peptide bond shown with N–C and C=O and N–H correct
c. release of water clearly shown
