| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.SL.TZ2.25 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 25 | Adapted from | N/A |
Question
Which enzymes are needed to incorporate genes into plasmids to create recombinant plasmids?
A. DNA polymerase and ligase
B. DNA polymerase and restriction enzymes
C. Restriction enzymes and ligase
D. Helicase and restriction enzymes
Markscheme
C
Examiners report
This question had the highest discrimination index of the whole exam.
Syllabus sections
Option B: Biotechnology and bioinformatics » Option B: Biotechnology and bioinformatics (Core topics) » B.2 Biotechnology in agriculture
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