Question

Explain main postulates of cell theory.
[3 Marks]

Answer 1

The main postulates of cell theory are:

• All living organisms are composed of one or more cells. [1 Mark]

• The cell is the basic unit of structure, function, and organisation in all organisms. [1 Mark]

• All cells come from pre-existing, living cells.
[1 Mark]

All living cells do not have cell wall. It is unique to plants, fungi, bacteria and some protists.