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The Cell

The Cell. The Cell. Structural & functional unit of living organisms The Cell. Eukaryotic (with membrane bound nucleus). Prokarotic (without membrane bound nucleus). A Typical Animal Cell. Nucleus Nucleolus Mitochondria Endoplasmic Reticulum Golgi Apparatus Peroxisomes Lysosomes.

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The Cell

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  1. The Cell

  2. The Cell • Structural & functional unit of living organisms The Cell Eukaryotic (with membrane bound nucleus) Prokarotic (without membrane bound nucleus)

  3. A Typical Animal Cell • Nucleus • Nucleolus • Mitochondria • Endoplasmic Reticulum • Golgi Apparatus • Peroxisomes • Lysosomes

  4. A Typical Plant Cell • In addition to what an animal cell contains: • Cell Wall • Chloroplast • Amyloplast • Vacuole • Plasmodesmata • Centrioles

  5. 5 Kingdom Classification (old) • Monera (Prokaryota)- Bacteria • Protista- Small unicellular organisms • Plantae • Animalia • Fungi

  6. Cells Studied in the lab • Oscillatoria • Gloeocapsa • Lactobacillus • Amoeba • Paramecium • Human Cheek Epithelium • Onion Peel • Eloeda

  7. Directives for Naming Organisms • The first name is always the Genus name • The second name is always the species name • The first letter of the first name is always in upper case & the first letter of the species name is always in the lower case • The name is written in italics or alternatively underlined • e.g. Amoeba proteus OR Amoebaproteus

  8. Lactobacillus • Rod shaped • In yogurt • Lives on lactose (milk sugar)

  9. Oscillatoria Identifying Characteristics • Long, green filaments • Chloroplasts arranged along periphery

  10. Gloeocapsa Identifying Characteristics • Loosely arranged colony of cells • Usually about 6-12 cells in one bundle • Cells are green and round • Colony covered by gelatinous sheath

  11. Amoeba Identifying Characteristics • Irregular shape • Pseudopodia (false feet): cytoplasmic extensions that aid in locomotion & phagocytosis (cell eating) • Note: Contractile vacuole is NOT an identifying characteristic peculiar to Amoeba

  12. Paramecium Identifying Characteristics • Slipper shaped • Food gullet • Macronucleus & micronucleus • Anterior & posterior contractile vacuole • Cilia

  13. That’s it Folks! Get to work!

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