Bio CH 19

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Sbjohnson
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212756
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Bio CH 19
Updated:
2013-04-11 09:34:47
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Bio
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Biology Chapter 19 questions
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  1. Prokaryotes are unlike all other organisms in that their cells
    A.  lack nuclei
    B.  have cell walls
    C.  lack nucleic acids
    D.  have organelles
    A.  lack nuclei
    (this multiple choice question has been scrambled)
  2. Archaebacteria that live in oxygen-free environment include
    A.  methanogens
    B.  retroviruses
    C.  bacteriophages
    D.  protists
    A.  methanogens
    (this multiple choice question has been scrambled)
  3. Bacteria that contain chlorophyll a belong in the group
    A.  pathogens
    B.  chemoautotrophs
    C.  archaebacteria
    D.  cyanobacteria
    D.  cyanobacteria
    (this multiple choice question has been scrambled)
  4. Bacteria reproduce asexually by
    A.  binary fission
    B.  spores
    C.  conjugation
    D.  fixation
    A.  binary fission
    (this multiple choice question has been scrambled)
  5. The process of converting nitrogen into a form plants can use is known as nitrogen
    A.  decomposition
    B.  conjugation
    C.  sterilization
    D.  fixation
    D.  fixation
    (this multiple choice question has been scrambled)
  6. Particles made up of nucleic acids, proteins, and in some cases, lipids that can reproduce only by infecting living cells are known as 
    A.  capsids
    B.  viruses
    C.  bacteria
    D.  prophages
    B.  viruses
    (this multiple choice question has been scrambled)
  7. The outer protein coat of a virus is a
    A.  capsid
    B.  core of DNA
    C.  core of RNA
    D.  membrane envelope
    A.  capsid
    (this multiple choice question has been scrambled)
  8. One group of viruses that contain RNA as their genetic information is 
    A.  prophages
    B.  capsids
    C.  oncogenic viruses
    D.  retroviruses
    D.  retroviruses
    (this multiple choice question has been scrambled)
  9. Disease-causing organisms are known as
    A.  bacilli
    B.  cocci
    C.  archaebacteria
    D.  pathogens
    D.  pathogens
    (this multiple choice question has been scrambled)
  10. Type of parasite that attacks certain prokaryotes
    A.  cocci
    B.  binary fission
    C.  conjugation
    D.  bacteriophage
    E.  methanogen
    D.  bacteriophage
    (this multiple choice question has been scrambled)
  11. Process of transferring genetic information
    A.  conjugation
    B.  bacteriophage
    C.  cocci
    D.  binary fission
    E.  methanogen
    A.  conjugation
    (this multiple choice question has been scrambled)
  12. Spherical prokaryotes
    A.  bacteriophage
    B.  binary fission
    C.  methanogen
    D.  cocci
    E.  conjugation
    D.  cocci
    (this multiple choice question has been scrambled)
  13. Process of asexual reproduction
    A.  bacteriophage
    B.  binary fission
    C.  cocci
    D.  methanogen
    E.  conjugation
    B.  binary fission
    (this multiple choice question has been scrambled)
  14. Member of archaea
    A.  cocci
    B.  methanogen
    C.  binary fission
    D.  conjugation
    E.  bacteriophage
    B.  methanogen
    (this multiple choice question has been scrambled)
  15. Which of the following is NOT used to identify specific prokaryotes?
    A.  shape
    B.  size
    C.  Gram stain
    D.  movement
    E.  energy source
    B.  size
    (this multiple choice question has been scrambled)
  16. Which method is NOT used to protect food against microorganisms?
    A.  sterilization
    B.  boiling
    C.  vaccination
    D.  salting
    E.  freezing
    C.  vaccination (you can't vaccinate food, only people)
    (this multiple choice question has been scrambled)
  17. Which illness is caused by a bacterium?
    A.  AIDS
    B.  flu
    C.  common cold
    D.  diphtheria
    E.  polio
    D.  diphtheria
    (this multiple choice question has been scrambled)
  18. Which process is used for the exchange of genetic information between two bacterial cells?
    A.  conjugation
    B.  binary fission
    C.  lytic cycle
    D.  lysogenic cycle
    E.  immunization
    A.  conjugation
    (this multiple choice question has been scrambled)
  19. All bacteria are classified as
    A.  eukaryotes
    B.  prokaryotes
    C.  archaea
    D.  blue-green algae
    E.  protists
    B.  prokaryotes
    (this multiple choice question has been scrambled)
  20. Which group includes some members that can carry out photosynthesis?
    A.  both bacteria and viruses
    B.  bacteria but not viruses
    C.  neither viruses nor bacteria
    D.  viruses but not bacteria
    B.  bacteria but not viruses
    (this multiple choice question has been scrambled)
  21. Important differences between archaebacteria and eubacteria include all of the following EXCEPT
    A.  presences of peptidoglycan
    B.  nucleotide sequences of DNA
    C.  type of membrane lipids
    D.  presence of capsid proteins
    D.  presence of capsid proteins
    (this multiple choice question has been scrambled)
  22. Bacteria play an important role in ecosystems as
    A.  parasites
    B.  producers
    C.  decomposers
    D.  producers and decomposers
    D.  producers and decomposers
    (this multiple choice question has been scrambled)

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