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Introduction to Bacteria quiz #2

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Terms in this set (12)

  • Bacteria that lack fimbriae are less likely to do what?

    Bacteria lacking fimbriae are less likely to adhere to surfaces.

  • What does an umbonate bacterial colony look like?

    An umbonate bacterial colony has a raised, dome-shaped center.

  • A bacterial genus that has waxy mycolic acid in the cell walls is:

    Mycobacterium has waxy mycolic acid in its cell walls.

  • All the bacterial cells that result from the replication of a single organism are said to be a:

    They are said to be a clone.

  • Unicellular prokaryotes that live in volcanic ash and other inhospitable environments are called:

    These are called archaea.

  • In the presence of penicillin, a cell dies because:

    Penicillin inhibits cell wall synthesis, causing cell lysis.

  • Bacteria that live as single cells are described as what?

    Bacteria that live as single cells are described as solitary or unicellular.

  • Are methanogens eukaryotic or prokaryotic?

    Methanogens are prokaryotic.

  • Which organism is unicellular, prokaryotic, has a cell wall, and often lives in extreme environments?

    Archaea are unicellular, prokaryotic, have a cell wall, and often live in extreme environments.

  • What is the primary determinant of virulence in Streptococcus pneumoniae?

    The capsule is the primary determinant of virulence in Streptococcus pneumoniae.

  • A strain of bacteria possesses a temperature-sensitive mutation. What does this mean?

    It means the bacteria's growth or function is affected by temperature changes.

  • The contamination that results from the spread of bacteria is called:

    The contamination is called bacterial contamination or infection.