| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ2.5 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 5 | Adapted from | N/A |
Question
What is a difference between a cell in the G1 phase and a cell in the G2 phase of the cell cycle?
A. A cell in the G2 phase would be smaller than a cell in the G1 phase.
B. A cell in the G2 phase would have more mitochondria than a cell in the G1 phase.
C. A cell in the G1 phase would have more DNA in its chromosomes than a cell in the G2 phase.
D. DNA replication occurs in the G1 phase but not in the G2 phase.
Markscheme
B
Examiners report
This question required the candidates to know what occurs during the cell cycle. Good candidates were able to answer this question correctly.
