Biology 40s - Kingdom Monera

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  1. define anerobic
    bacteria that live without oxygen
  2. define aerobic
    bacteria that need O2
  3. What are the cell walls of bacteria made out of
  4. characteristics of kingdom monera (3)
    • prokaryotic cells
    • oldest life form
    • unicellular
  5. good functions of bacteria (4)
    • decompose dead matter in ecosystems
    • e. coli in small intestine, digests food we can't and releases vitamins
    • lactobiccilus, ingests lactose in milk
    • rhizobia (nitrogen-fixing bacteria) change inorganic N2 into nitrates for plants
  6. what are the 3 shapes of bacteria
    • cocci (round) - form clusters
    • bacilli rods) - form chains
    • spirilla (spiral) - single cells only
  7. what are ways that bacteria are dangerous to humans (3)
    • cyanobacteria causes damage and slime in waterways
    • food poisoning - cholera from contaminated water or salmonella from raw chicken
    • respiratory diseases such as tuberculosis and pneumonia
  8. describe binary fission (3)
    • one cell forms two identical cells
    • lack of genetic variability¬†
    • allows bacteria to reproduce at incredible rates
  9. describe conjugation (3)
    • process of sexual reproduction in bacteria
    • a bridge called a pilus is formed between male and female¬†
    • genetic material is transferred via direct contact
  10. describe dormant bacteria
    when conditions aren't favourable, bacteria may form endospores which allows them to come back to life after being frozen
  11. what kills bacteria
    • antibiotics
    • penicillin
Card Set:
Biology 40s - Kingdom Monera
2014-10-09 05:01:52
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