The Cell Cycle

True or false? cells can divide continuously

false - new cells have to mature before dividing again

True of false? all cells have cell cycles of the same length of time

false - specialised cells usually take longer to divide

True or false? All cells can divide

false - some highly specialised cells e.g. nerve cells, loose the ability to divide altogether

What are the chemicals and the gene that trigger the movement from one phase to another in the cell cycle?

cyclins and tumour suppressor genes

What are the 2 main phases of the cell cycle?

interphase and the mitotic phase

In which phase of the cell cycle does a cell spend most of its time?

interphase

What are the 4 stages found within interphase?

G1, S phase, G2 and G0

Choose the correct words and fill in the blanks: The ‘_____’ phase where cells are/are not actively dividing. However there are still high/low levels of activity, as the cell carries out all its major functions.

resting, are not, high