| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.HL.TZ0.19 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 19 | Adapted from | N/A |
Question
What are antibodies?
A. Organisms or viruses that cause disease
B. Drugs used to treat bacterial diseases
C. Substances the body recognizes as foreign
D. Proteins that bind to foreign substances
Markscheme
D
Examiners report
N/A
Syllabus sections
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