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studysuccess
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293041
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MB 230
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2015-01-16 02:02:07
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Midterm part
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  1. Cargaff's rule
    • A interacts with T/U
    • G=C
  2. Process of creating RNA from DNA
    Transcription
  3. How are amino acids linked together
    Peptide bonds that form chains
  4. name the process of forming proteins from RNA
    Translation
  5. tRNA
    20 tRNA's in a cell connect with 1 amino acid (process of translation).
  6. Differences between RNA and DNA
    • 1) RNA is mobile, and DNA is restricted to the nucleus.
    • 2) RNA is usually single straned (ssRNA), and DNA is usually doubled.
  7. 2 parts of a closed system
    • 1) Limited resources andĀ 
    • 2) Waste buildup
    • =growth curve
  8. 4 phases of growth curve
    • 1) lag
    • 2) log
    • 3) stationary
    • 4) death
  9. Formula for calculating Population during Log phase
    (#of starting organisms)X2^(#generations)
  10. What causes Oxygen toxicity?
    Reactive Oxygen Species (ROS)
  11. Microorganisms with ____ & ____ are protected against oxygen toxicity?
    • 1) catalase
    • 2) Peroxidase
    • 3) SOD Superoxide Dismutase needs another
  12. 2 things catabolic reactions do:
    • Breaks down complex moleculesĀ 
    • Releases energy
  13. 2 things anabolic reactions do:
    • 1)constructs molecules from simple ones
    • 2) Requires energy.
  14. an aerobe that requires oxygen
    Obligate Aerobe
  15. Requires less oxygen than obligate aerobe
    Microaerophile
  16. Preferes oxygen, but doesn't mind lack of oxygen.
    Facultative anaerobe
  17. Indifferent of oxygen levels and grows well with or without oxygen
    Aerotolerant anaerobe
  18. Obligate aerobe's
    die in presence of oxygen
  19. What do catabolic reactions release, and Anabolic reactions use?
    Carbon, Electrons, and energy
  20. organic molecules are composed of
    carbon oxygen and hydrogen
  21. 4 major groups of organic molecules
    • 1) Carbohydrates
    • 2) Amino acids/proteins
    • 3) Nucleic acids (RNA & DNA)
    • 4) Lipids
  22. Organism that gets energy from organic or inorganic chemicals
    chemotroph

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