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COMMON CELL TRAITS

COMMON CELL TRAITS. A cell is the smallest unit that is capable of performing life functions . COMPARING CELLS. The size & shape of a cell relates to its function . (job it does). Prokaryotic Cells (proh KAYR ee yah tihk). cells without membrane-bound structures EX : bacteria

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COMMON CELL TRAITS

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

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

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

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

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

  6. 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.

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

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

  9. 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

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

  11. NUCLEOLUS • Aka “little nucleus” • Found in the nucleus

  12. CHROMATIN • contains genetic code that controls cell • made of DNA & proteins

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