Protozoa Structure and Function - Revision history

Eca02csb at 15:54, 20 August 2010

2010-08-20T15:54:15Z

Eca02csb at 11:41, 22 July 2010

2010-07-22T11:41:41Z

Bara at 22:24, 26 June 2010

2010-06-26T22:24:16Z

Bara at 19:06, 18 May 2010

2010-05-18T19:06:07Z

Bara: Created page with 'Motile Protozoa possess all the 'usual' organelles which are found in most animal cells **Nucleus, endoplasmic reticulum, mitochondria, Golgi bodies and lysosomes *Protozoa …'

2010-05-18T19:02:51Z

Created page with '*Motile *Protozoa possess all the 'usual' organelles which are found in most animal cells **Nucleus, endoplasmic reticulum, mitochondria, Golgi bodies and lysosomes *Protozoa …'

New page

*Motile

*Protozoa possess all the 'usual' organelles which are found in most animal cells
**Nucleus, endoplasmic reticulum, mitochondria, Golgi bodies and lysosomes

*Protozoa also possess other cellular structures, organelles and sub-cellular structures which enable an '''independent existence''' to be led

*Cilia
**Fine, short hairs covering the protozoal surface each arising from a basal body
**Hairs beat in unison to enable the protozoa to move
**Wafts food towards the '''cytostome''' (mouth opening)
**E.g. ''Balantidium''

*Flagellum
**Contractile fibre arising from a basal body
**Contracts in a whip like motion to propel protozoa
**Attached to body of some protozoa by an '''undulating membrane'''
**During movement, the organism's shape is maintained by microtubules in the pellicle
**E.g. ''Trypanosoma''

*Pseudopodia
**Extensions of the cellular cytoplasm
**Cytoplasm flows into the pseudopodia allowing movement of the protozoa
**Also acts in a phagocytic manner surrounding food particles and enclosing it in a vacuole
**E.g. ''Entamoeba''

*Gliding
**No obvious means of locomotion
**E.g. ''[[Eimeria spp.|Eimeria]]''[[Category:Protozoa]]

← Older revision		Revision as of 11:41, 22 July 2010
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	**E.g. ''[[Eimeria spp.\|Eimeria]]''[[Category:Protozoa]]		**E.g. ''[[Eimeria spp.\|Eimeria]]''[[Category:Protozoa]]
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		+	[[Category:To_Do_-_Parasites]]

← Older revision		Revision as of 19:06, 18 May 2010
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		+	[[Image:Flagella.jpg\|thumb\|right\|150px\|Flagella of ''E.coli'' - Nicolle Rager Fuller, National Science Foundation]]
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	*Motile		*Motile