MEDIUM
AS and A Level
IMPORTANT
Earn 100
Draw a simple diagram of a cell that contains chromosomes at the metaphase of mitosis.
Important Questions on The Mitotic Cell Cycle
MEDIUM
AS and A Level
IMPORTANT
Draw a simple diagram of a cell that contains chromosomes at anaphase of mitosis.
HARD
AS and A Level
IMPORTANT
Research is being carried out into ways of inactivating the enzyme telomerase in cancer cells. Explain the reason behind this.
EASY
AS and A Level
IMPORTANT
During prophase of mitosis, chromosomes consists of two chromatids. At which stage of cell cycle is the second chromatid made?
HARD
AS and A Level
IMPORTANT
Growth of cells and their division are balanced during the cell cycle. Which of the following shows the consequences that would follow from the two errors shown in the given table?
| Errors |
| Speeding up the growth rate without speeding up the cell division |
| Speeding up the cell division without speeding up the growth rate. |
HARD
AS and A Level
IMPORTANT
A cell with four chromosomes undergoes a cell cycle including mitosis. Which diagram correctly shows the changes in chromatid number during interphase?
MEDIUM
AS and A Level
IMPORTANT
Stem cells found in bone marrow are
HARD
AS and A Level
IMPORTANT
Distinguish between centrosome, centriole and centromere.
HARD
AS and A Level
IMPORTANT
The given diagram B shows the same cell as in diagram A at telophase. The cell is beginning to divide and a new cell wall is forming, spreading out from the middle of the cell. Copy the diagram and add drawings of the chromosomes as they would appear at this stage.
