Pages

Sunday 6 January 2013

Cell

Cell is the basic structural and functional unit of life or all livig things.

1. Cell is the smallest unit of life that is classified as a living thing.
2. Cell is often called as building block of life.
3. Some orginisms which have single cell are called unicellular orginisms (bacteria,viruses) and other who have more then single cell are called multicellular orginisms. e.g  Animals,plants, etc.
4. Humans contain about 10 to 100 trillion cells.
5. The cell was discovered by robert hook.
6. Robert jook discovered cell in 1665.
7. The word cell comes from latin word cella, which means ''small room''.
8. There are two types of cells ''eukaryotic & prokaryotic'' cells.
9. Bacteria,archaea are prokaryotes. (no nucleus).
10. Animals,plants,protists, and fungi are eukaryotes. (true nucleus).

No comments:

Post a Comment