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Prokaryote Reproduction and Gene Exchange quiz Flashcards

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Prokaryote Reproduction and Gene Exchange quiz
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  • What is the process called where prokaryotes directly transfer genetic material between two physically linked bacterial cells?
    Conjugation.
  • What appendage is used by bacteria to connect two cells during conjugation?
    Pilus (plural: pili).
  • What is the special plasmid called that is required for bacterial conjugation?
    F plasmid or F factor.
  • What type of bacteria possesses the F plasmid?
    F+ bacteria.
  • What is the term for bacteria that have the F factor incorporated into their chromosomal DNA?
    F' (F prime) bacteria.
  • What type of bacteria acts as the recipient in bacterial conjugation?
    F- bacteria, which lack the F factor.
  • What happens to a recipient cell after it receives the F plasmid during conjugation?
    It becomes an F+ cell capable of acting as a donor.
  • What is an R plasmid and why is it important?
    An R plasmid carries genes that confer antibiotic resistance, which is crucial in the context of increasing antibiotic resistance.
  • What are the three domains of life?
    Bacteria, Archaea, and Eukarya.
  • What is the difference between autotrophs and heterotrophs?
    Autotrophs make their own carbon compounds from inorganic sources, while heterotrophs use carbon compounds synthesized by other organisms.
  • What term describes organisms that use light energy to produce ATP?
    Phototrophs.
  • What is the difference between chemoorganotrophs and chemolithotrophs?
    Chemoorganotrophs oxidize organic molecules for energy, while chemolithotrophs oxidize inorganic molecules.
  • What are obligate aerobes?
    Prokaryotes that must use oxygen for cellular respiration.
  • What are obligate anaerobes?
    Prokaryotes for which oxygen is toxic and do not use it for cellular respiration.
  • What are facultative anaerobes?
    Prokaryotes that can perform cellular respiration with or without oxygen.