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Unicellular Organism

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Unicellular Organism


A unicellular organism is one that only has one cell for example bacteria,

protozoa and fungi.

 

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Bacteria


Bacteria are very small cells, they differ from normal animal cells as they do

not contain a nucleus so the DNA is either floating free or kept in small

containers called plasmids they also may have a tail like structure usually

called a Flagellum allowing the cell to move.

 

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Protozoa


Protozoa are also unicellular organisms however it has certain characteristics

that are similar to animal cells. It has feet like projections that allow it to move

and take food into the cell.

 

Yeast


Yeast is commonly used in bread making and making alcohol as it converts

sugar into alcohol.

Yeast is similar to plant cells in that, they have cells walls, which means they

can absorb sugars.

 

Related Topics


Specialized Cells                                                    Animal Cells And Plant Cells

Cells, Tissues, Organs And Systems                  Diffusion