Cells divide by mitosis as part of the cell cycle.
The stages of the cell cycle are shown in the list. They are not in the correct order.
A movement of chromosomes B more cell growth C DNA replication D cell growth
Cell growth (D) is the first stage of the cell cycle.
Write the letters of the other three stages in the correct order.
Give one reason why the cells in the body of an animal divide by mitosis.
Describe the two new cells made by mitosis compared with the parent cell.
Explain why the DNA must be replicated before the cell divides.
194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.