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Bacteria Archaea Quiz

front 1

Why are bacteria human diseases emerging and re-emerging?

  • they are becoming resistant to antibiotics
  • encroachment of previously uninhabited (wild) areas
  • diseases in animals mutate to cross the species barrier
  • all of the above are true

back 1

all of the above are true

front 2

When DNA is transferred from one prokaryote to another via a pilus, this is called

  • binary fission
  • conjugation
  • transduction
  • transformation

back 2

conjugation

front 3

Archaea that can survive in high salt concentrations are termed:

  • osmophiles
  • alkaliphiles
  • halophiles
  • psychrophiles

back 3

halophiles

front 4

Which of the following is true about "blue-green" algae?

  • they produce oxygen
  • they are classified as plants
  • they are heterotrophs
  • all of the above are true

back 4

they produce oxygen

front 5

Archaea that can live in cooler temperatures (5-50 degrees Fahrenheit or lower) are termed

  • themophiles
  • psychrophiles
  • osmophiles
  • hyperthemophiles

back 5

psychrophiles

front 6

Which of the following structures is different when comparing bacteria to archaea?

  • cell morphology
  • chromosomes
  • cell type
  • plasma membrane lipids

back 6

plasma membrane lipids

front 7

By its name, methicillian-resistance Staphylococcus aureus (MRSA) would be what shape under a microscope?

  • round
  • spiral
  • gram positive
  • rod-like

back 7

round

front 8

Which is true of gram positive organisms?

  • they are more resistant to antibiotics
  • their cell walls are largely composed of peptidoglycan
  • the cell wall of gram positive bacteria is then when compared to gram-negative bacteria
  • all of the above are true

back 8

their cell walls are largely composed of peptidoglycan

front 9

Unlike eukaryotes that have a nucleus, prokaryotes do not contain any DNA.

  • True
  • False

back 9

False

front 10

A rock formed when prokaryotes precipitate minerals out of water is called

  • a microbial mat
  • a hydrothermal vent
  • a biofilm
  • a stromatolite

back 10

a stromatolite

front 11

Bacteria play important roles in:

  • agriculture
  • waste management
  • digesting food in humans
  • all of the above are true

back 11

all of the above are true

front 12

Using bacteria to clean up an oil spill is an example of

  • pathogenesis
  • nitrogen fixation
  • bioremediation
  • bacterial respiration

back 12

bioremediation

front 13

When a bacteria gets it energy from light, electrons from inorganic material, and its carbon source is carbon dioxide, it is termed a:

  • chemolithoheterotroph
  • chemolithoautotroph
  • photolithoautotroph
  • photoorganoheterotroph

back 13

photolithoautotroph

front 14

Most foodborne illness cases today are linked to produce rather than animal-based foods.

  • True
  • False

back 14

True

front 15

Which type of bacteria tends to be more resistant to antibiotics?

  • gram positive
  • gram negative

back 15

gram negative

front 16

Which of the following are the same when comparing bacteria to archaea?

  • cell membrane type
  • replication origins
  • cell wall
  • chromosome shape

back 16

cell wall

WRONG

front 17

When bacteria take up prokaryotic DNA directly from the environment, this is termed

  • transformation
  • conjugation
  • transduction
  • binary fission

back 17

transformation