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Chapter 7 “A View of the Cell” p. 170 – 193

Chapter 7 “A View of the Cell” p. 170 – 193. campus.queens.edu/faculty/jannr/cells/index.htm www.ndpteachers.org/perit/biology_image_galle... www.emc.maricopa.edu/.../BioBookAnimalTS.html types of organ tissue cells www.answers.com/topic/cell-organization.

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Chapter 7 “A View of the Cell” p. 170 – 193

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  1. Chapter 7 “A View of the Cell”p. 170 – 193 campus.queens.edu/faculty/jannr/cells/index.htm www.ndpteachers.org/perit/biology_image_galle... www.emc.maricopa.edu/.../BioBookAnimalTS.html types of organ tissue cells www.answers.com/topic/cell-organization This Powerpoint is hosted on www.worldofteaching.com Please visit for 100’s more free powerpoints

  2. COMMON CELL TRAITS • A cell is the smallest unit that is capable of performing life functions.

  3. COMPARING CELLS • The size & shape of a cell relates to its function. (job it does)

  4. Prokaryotic Cells(proh KAYR ee yah tihk) • cells without membrane-bound structures • EX: bacteria pond scum

  5. Eukaryotic Cells(yew KAYR ee yah tihk) • cells with membrane-bound structures • EX: animals, plants, fungi and protists

  6. CELL WALL • protects the cell • gives shape • is made of cellulose • A cell wall is found in plants, algae, fungi, & most bacteria.

  7. CELL MEMBRANE • Outer covering, protective layer around ALL cells • For cells with cell walls,the cell membrane is inside the cell wall • Allows food, oxygen, & water into the cell & waste products out of the cell.

  8. CYTOPLASM • gelatin-like inside cell membrane • constantly flows • aka protoplasm

  9. CYTOSKELETON • scaffolding-like structure in cytoplasm • helps the cell maintain or change its shape • made of protein

  10. NUCLEUS • Directs all cell activities • Contains instructions for everything the cell does • These instructions are found on a hereditary material called DNA • Usually the largest organelle

  11. NUCLEAR MEMBRANE • separates nucleus from cytoplasm • controls movement of materials in & out of nucleus

  12. NUCLEOLUS • Aka “little nucleus” • Found in the nucleus • Ribosomes made here

  13. CHROMATIN • contains genetic code that controls cell • made of DNA & proteins (deoxyribonucleic acid)

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