Friday, August 7, 2009

Eukaryotic and Prokaryotic Cells

Characteristics of both Eukaryotic and Prokaryotic Cells
1 Both have DNA as their genetic material.
2 Covered by cell membrane.
3 RNA
4 Made from same basic chemicals: Carbs, Proteins, Nucleic Acid, minerals, fats, and vitamins.
5 Ribosome’s
6 Regulates the flow of nutrients and waters that enter and leave them.
7 Similar basic metabolism, like photosynthesis and reproduction.
8 Require a supply of energy.
9 Highly regulated by elaborate sensing systems (“chemical noses”) that make them awake of the reactions within them and environment around them.

Characteristics of only Eukaryotic Cells
1 Definite membrane bound nucleus.
2 Contains membrane bound organelles.
3 Found in Kingdoms: Animal, Plant, Fungi, Protista.
4 Size is 10-100um
5 Mitosis
6 Multiple linear chromosomes

Examples: Crabs, trees, Mushrooms, and ameba

Characteristics of only Prokaryotic Cells
1 No nuclear membrane (nucleoid region).
2 No membrane bound organelles
3 Found in Kingdoms: Eubacteria and Archabacteria.
4 Size is .01-10 um
5 Binary Fission
6 Single circular chromosomes

Examples: Bacteria, Blue-green algae

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