CBSE Class 9 Answered

PROKARYOTIC CELL

FEATURE

EUKARYOTIC CELL

• Absence of well-defined nucleus

Nucleus

• Presence of well-defined nucleus with a nuclear membrane

• Absent

Nucleolus

• Present

• Presence of a single length of only DNA 

Genetic material

• Presence of several lengths of DNA wound around certain proteins

• Presence of smaller ribosomes

Ribosomes

• Presence of larger ribosomes

• Absence of other cell organelles

Cell organelles

• Presence of several other cell organelles such as mitochondria, endoplasmic reticulum, chloroplasts etc.

• Cell division occurs by fission or budding but not by mitosis

Cell division

• Cell division occurs by mitosis or meiosis

• Bacteria, blue-green algae

Examples

• Euglena, Amoeba, plants, animals