| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ2.6 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 6 | Adapted from | N/A |
Question
Which of the following is true about a polar amino acid and cellulose?
A. Both are polysaccharides.
B. Both contain nitrogen.
C. Both are hydrophobic.
D. Both contain hydrogen atoms.
Markscheme
D
Examiners report
Candidates had to know that cellulose is a polysaccharide and that these contain hydrogen in their structure. The structure of polar amino acids had to be known too.
