Sunday, March 11, 2012

Comparison between plant cell and animal cell


Plant cell
Animal cell
1.        Usually larger in size
Comparatively smaller in size
2.        It is enclosed by a rigid cell wall in addition to plasma membrane
No cell wall
3.        It cannot change its shape
It can often change in shape
4.        Plastids are present. Plant cells exposed to sunlight contain chloroplast
Plastids are usually absent
5.        A mature plant cell contains a large central vacuole
An animal cell often possesses many small vacuole
6.        Nucleus lies on one side in the peripheral cytoplasm
Nucleus usually lies in the centre
7.        Centrioles are usually absent except in motile cells of lower plants
Centrioles are practically present in all animal cells
8.        Lysosomes are rare
Lysosomes are always present
9.        Glyoxysomes may be present
Absent
10.      Tight junctions and desmosomes are lacking
They are present
11.      Reserve food is generally in the form of starch
Reserve food is usually glycogen
12.      It can synthesize all the amino acids, coenzymes and vitamins required by them
It cannot synthesize all the amino acids, coenzymes and vitamins required by them
13.      Spindle formed during cell division is anastral i.e. without asters at esthe poles
Spindle formed during cell division is amphiastral i.e. has an aster at each pole
14.      Cytokinesis occurs by cell plate method
Cytokinesis occurs by constriction or furrowing
15.      Plant cell does not burst if placed in hypotonic solution due to the presence of the cell wall
Animal cells lacking contractile vacuoles usually burst, if placed in hypotonic solution


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