|
Size
|
Mostly 1-10 µm
|
Mostly 10-100 µm
|
|
Cell wall
|
Present in most but not all
|
Present in plant and fungal cells
|
|
Plasma membrane
|
Present
|
Present
|
|
Nuclear membrane
|
Absent
|
Present
|
|
Nucleus
|
Absent
|
Present
|
|
Chromatin with histone proteins
|
Absent
|
Present
|
|
Genetic material
|
Linear or circular double stranded(ds) DNA
|
Linear double stranded(ds) DNA with introns
|
|
Mitotic Apparatus
|
Absent
|
Present
|
|
Mitochondria
|
Absent
|
Present
|
|
Chloroplast
|
Absent
|
Present(only in plants)
|
|
Ribosomes
|
Present
70S type
|
Present
80S type
|
|
Endoplasmic Reticulum
|
Absent
|
Present
|
|
Lysosomes
|
Absent
|
Present
|
|
Vacuoles
|
Absent
|
Present
|
|
Centrioles
|
Absent
|
Present(absent in higher plants)
|
|
Microtubules
|
Absent
|
Present
|
|
Flagella
|
Simple in structure.
Composed of protein Flagellin
|
Complex in structure.
9 + 2 arrangement
Made up of protein Tubulin
|
|
Respiration
|
Many strict anaerobes
|
All are aerobic, but some facultative anaerobes
|
|
Sexual systems
|
Rare
|
Both male and females and involved.
Alternation of haploid and diploid generations is clearly visible.
|
