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Prokaryotes

Prokaryotes. Classification, Structure, Reproduction, Importance, and Disease. Bacteria are smaller than you think. Bacteria on the head of a pin. Eubacteria. Heterotrophs – eat organic molecules (like you) Autotrophs – make their own food through photosynthesis

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Prokaryotes

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  1. Prokaryotes Classification, Structure, Reproduction, Importance, and Disease

  2. Bacteria are smaller than you think. Bacteria on the head of a pin.

  3. Eubacteria • Heterotrophs – eat organic molecules (like you) • Autotrophs – make their own food through photosynthesis • Chemosynthetic Autotrophs – break down inorganic matter for energy

  4. Archaebacteria • Methanogens – live without oxygen and produce methane • Extremophiles • Halophiles – salt loving • Thermophiles – heat loving • Acidophiles – acid loving • Alkaliphiles – base loving

  5. Shapes

  6. Shapes

  7. Anatomy

  8. Reproduction • Asexual or binary fission – Bacteria (generally) have one chromosome and several plasmids (circular pieces of DNA). Bacteria copy their chromosome, move each copy to opposite ends, and finally divide in half. • Sexual or conjugation – A bacterium can transfer part or all of their chromosome to another bacterium through pili.

  9. Binary Fission

  10. Conjugation

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