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Prokaryotes - introduction IB Biology
- 3. Prokaryotic cells
Primitive
No nucleus containing DNA
No membrane-bound (or “membraneous”)
organelles
Varied metabolisms: fermentation, aerobic
respiration, photosynthesis, nitrogen
fixation
- 5. Draw:
Cell wall
Plasma membrane
Cytoplasm
Ribosomes
Nucleoid region
(area of naked
DNA)
Flagellum
Mesosome
Fimbriae
Pilli
(these last
two look the
same