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Bacteria Notes

Bacteria Notes. Page 266. Bacteria:. Prokaryotes, so single-celled organisms without nucleus and other organelles like mitochondria. Flagella:. A long, whip-like structure that helps the cell move. Size and Shape:. Vary in size Spherical ( cocci ) Rod-like (bacilli)

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Bacteria Notes

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  1. Bacteria Notes Page 266

  2. Bacteria: • Prokaryotes, so single-celled organisms without nucleus and other organelles like mitochondria

  3. Flagella: • A long, whip-like structure that helps the cell move

  4. Size and Shape: • Vary in size • Spherical (cocci) • Rod-like (bacilli) • Spiral (spirochete)

  5. Food • Some are autotrophs(make food from sun or chemicals) and some are heterotrophs(consume other food) • When your milk or meat spoils, it’s because a heterotroph has been eating it!

  6. Gram Staining • A chemical process to classify different bacteria • Gram + have thick peptidoglycan and 1 membrane • Gram – have thin peptidoglycan but 2 membranes

  7. E. Coli (-) and S. aureus (+)

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