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Du er her: Skole > Biology: Cells

Biology: Cells

The cell theory, eukaryotic and prokaryotic cells.

Sjanger
Faktaoppgave
Språkform
Engelsk
Lastet opp
28.09.2006
Tema
Naturfag

In this essay I am going to talk about the cell theory and eukaryotic and prokaryotic cells. Firstly, I am going to explain briefly what the cell theory is. Secondly, I am going to describe the main differences between eukaryotic and prokaryotic cells. And thirdly I am going to show the differences between eukaryotic and prokaryotic cells with a drawing, or a figure.

 

The Cell Theory, developed by Theodor Schwann, says:

- The cell is the fundamental unit of structure and function in living things.

- All organisms are made up of one or more cells.

- All new cells are formed by the process of cell division.

- Cells carry genetic material passed to daughter cells during cellular division (DNA or RNA).

- Cells are the site of all the chemical reactions of life (metabolism).

 

The main differences between eukaryotic and prokaryotic cells are:

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The Cell Theory says that all living things are composed of cells, and the cells come into existence by the process of cell division. The main differences between eukaryotic and prokaryotic cells are; eukaryotic cells are animal and plant cells, fungus and protista, and it have a nucleus. Prokaryotic cells, however, are cells with no nucleus, mostly unicellular and rarely multicellular.

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