A Comparison Between Prokaryotic & Eukaryotic Cells

There are various difference between Prokaryotic & Eukaryotic Cells. The difference between Prokaryotic & Eukaryotic cells are given below with their specipific characters :-

read also : Begining of The Life - The Cell : A Discovery 

Sr. No.

Characters

Prokaryotic Cells

Eukaryotic Cells

01

Cell Wall

Present and It is composed of amino sugars and muramic acid

Absent in animal cells but present in plant cells which is composed of cellulose

02

Plasma membrane

Present

Present

03

Capsule

If present then it is composed of mucopolysaflagccharides

Absent

04

Membrane bound organelles

Absent

Present

a

E.R.

Absent

Present

b

Golgi complex

Absent

Present

c

Lysosomes

Absent

Present

d

Mitochondria

Absent

Present

e

Vacuole

Absent

Vacuoles are present in plant cell

05

Photosynthetic Apparatus

Usually found in the form of membrane with chlorophyll A and bacteriophyll

Chloroplasts with chlorophyll A and B in plant cells & fungi cells

06

Nucleus

Absent

Present

a

Nuclear Membrane

Absent

Present

b

Nucleoplasm

Undifferentiated from cytoplasm

Demarcated from cytoplasm by nuclear membrane

c

Hereditary Material

DNA or Naked RNA ,

Present freely in cytoplasm

DNA combined with histone proteins ,

Present in Nucleus, Mitocondria & Plastids

d

Chromosomes

Single naked strand of DNA or RNA

More than one strand of DNA and histone protein is present inside the nuclear membrane

e

Nucleolus

Absent

Present

f

Nucleoplasm or Nuclear Sap

Not differentiate with cytoplasm

Differentiated by nuclear membrane from cytoplasm

07

Protein Synthesis

In cytoplasm

RNA synthesis in nucleus

08

RNA Synthesis

In Cytoplasm

Protein synthesis in cytoplasm

09

Cell Movement

Flagella

Celia & Flagella , Lamellipodia & Filopodia

10

Flagella

Single . Present in some forms but not in 9 + 2 fibrillar pattern

Celia & flagella. Present in some forms and have 9 + 2 fibrillar arrangement

11

Ribosomes

70 S ( Subunits :  50 S + 30 S )

80 S ( Subunits :  60 S + 40 S )

12

Cell division

Asexual ,

Amitosis , Binary fission

Sexual,

Mitosis & Meiosis

Cell cycle

Very small , usually takes 20 – 60 minutes to complete

Long , usually takes 12 – 24 hours to complete

13

Exocytosis and Endocytosis

Absent

Present

14

Size

0.1 – 5 µm

5 – 100 µm

15

Organization

Single cell , Colonial

Single cell , colonial , multicellular organisms with specialized cells

16

Plasmids

In some cells

Absent

17

Respiratory enzymes

Present on Plasma Membrane

Present on Mitochondria

18

Cytoskeleten

Absent

Present

19

Examples

Bacteria, Blue green algae, Mycoplasma

Protists , Algae , Fungi , Plants , Animals    


read more : Right to Freedom : Article 19 - 22

Difference Between Prokaryotic & Eukaryotic Cells
Image shows comparison between Prokaryotic & Eukaryotic Cells

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