Fill in the gaps in the following table illustrating the differences between prokaryotic and eukaryotic cells.

Prokaryotic Cell

Eukaryotic Cell

1. Size: Generally small (1-10  µm) 1  µm = 10^6

2. Nuclear region: undefined and does not remain surrounded by a nuclear membrane and is known as the nucleoid.

3. Chromosome: Single

4. Membrane-bound organelles absent.

1. Size: Generally large (5-100 µm)

2. Nuclear region: well defined and surrounded by a nuclear membrane.

3. More than one chromosome.

4. Membrane-bound organelles present.