Question

Explain the definition of cell.

Answer 1

Cell: the basic unit of life

1. A cell is defined as the ‘basic structural and functional unit of life.
2. The term cell was first coined by Robert Hooke in 1665.
3. It is so defined because every organism present in the world is made up of cells so we can also refer to cells as the building blocks of a living system.
4. The whole system of a living organism whether plant or animal is determined by cells.
5. Organisms can be unicellular i.e. only one cell makes up the body structure as well performs different functions, or the organisms can be multicellular made of many cells.
6. Plant cells are different in many ways from animal cells.
7. Inside each cell, there are different cell organelle which performs different functions.