| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ2.4 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 4 | Adapted from | N/A |
Question
Questions 3 and 4 refer to the following micrograph of an E.coli bacterium undergoing reproduction.
In the diagram what does label X identify?
A. Nucleoid region
B. Chromatin
C. Histones
D. Endoplasmic reticulum
Markscheme
A
Examiners report
The quality of the micrograph was not good; nevertheless this did not affect the performance of the candidates.
Syllabus sections
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