| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.SL.TZ1.11 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 11 | Adapted from | N/A |
Question
What is denaturation?
A. A structural change of a protein that results in the loss of its biological properties
B. A change in the genetic code of an organism
C. A change in the amino acid sequence of a protein causing a disruption of its 3D shape
D. The process by which amino acids are broken down and ammonia is released
Markscheme
A
Examiners report
N/A
Syllabus sections
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