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Prokaryotic and Eukaryotic Cells

Prokaryotic and Eukaryotic Cells. TSW – Recognize that the presence of a nucleus determines whether a cell is prokaryotic or eukaryotic. 6.12B. Cells. There are two basic types of cells Prokaryotes or prokaryotic cells Eukaryotes or eukaryotic cells. Prokaryotic cells.

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Prokaryotic and Eukaryotic Cells

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  1. Prokaryotic and Eukaryotic Cells TSW – Recognize that the presence of a nucleus determines whether a cell is prokaryotic or eukaryotic. 6.12B

  2. Cells • There are two basic types of cells • Prokaryotes or prokaryotic cells • Eukaryotes or eukaryotic cells

  3. Prokaryoticcells • Prokaryotes do not have a nucleus • The genetic material is bunched together, but is not found inside a nucleus • Think PRO and NO (no nucleus) Nucleus

  4. Prokaryotes • Prokaryotes are single celled organisms that sometimes live in colonies or groups • They are ancient life forms that have been around for billions of years • They are less developed with only a few cell parts that can be identified under a microscope • However, they are able to survive a variety of conditions and live quite well on Earth. • Bacteria are prokaryotes

  5. ProkaryoticCell Genetic material is not found inside a nucleus.

  6. Eukaryotes • Eukaryotes are more complex cells than prokaryotes • They have a nucleus which contains the genetic material of the cell • They also have more identifiable cell parts Think “Eu” pronounced “you” You are made up of complex eukaryotic cells. YOU

  7. Eukaryotes • Most living things we are familiar with are eukaryotic. • This includes: all plants, all animals, all fungi

  8. Eukaryotic Cell Nucleus that contains the genetic material of the cell. Notice this cell has more cell parts and is much more complex.

  9. Comparing cells Notice the difference in size between the two cells.

  10. Cell size

  11. Summary Prokaryotes Eukaryotes Has a nucleus Larger than prokaryotes More complex Can be single celled organism but all multi-celled organisms are eukaryotes Plants, animals, fungi – all are eukaryotic • No nucleus • Smaller in size • Less complex • Single celled organisms • Ancient life form • Bacteria is an example

  12. References • http://library.thinkquest.org/C004535/prokaryotic_cells.html • http://www.cod.edu/PEOPLE/FACULTY/FANCHER/ProkEuk.htm • http://naturalorder.info/ • http://microbiology.suite101.com/article.cfm/prokaryotic_and_eukaryotic_cells

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