The economic importance of some unicellular organisms

unicellular organisms

The unicellular organisms is an integrated living organisms that proves that the cell is the unit of structure and function because it has the ability to do all its biological functions .

There are a lot of unicellular micro-organisms around us that can not be seen by the naked eye as the bacteria and the yeast fungus , Some unicellular organisms are harmful and others are useful .

There are harmful unicellular organisms such as the bacteria that causes a lot of diseases , Useful unicellular organisms such as the bacteria which used in making  the yoghurt and some types of cheese .

Yeast fungus

The yeast fungus is composed of one cell that contains many components , The yeast fungus is a unicellular micro-organism that is  made up of the cell wall that determines the cell shape , the nucleus , the cytoplasm and the vacuole .

Yeast cell

The yeast fungus is composed of one cell .

The yeast fungus economic importance

The yeast fungus is used in making the bread , where the yeast fungus produces carbon dioxide gas that causes the swelling of the bread and it makes it porous and light .

The yeast fungus is used in making alcohol , where the yeast fungus converts the sugar solution into alcohol and carbon dioxide gas .

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