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None Microbiology Questions

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None Microbiology
Which of the following do you expect to be most resistant to high temperatures?
  1. Bacillus subtilis
  2. Eschericia coli
  3. Neisseria gonorrhoeae
  4. Staphylococcus aureus
  5. Streptococcus pyogenes
None Microbiology
Which of the following genera is an anaerobic gram-negative rod?
  1. Escherichia
  2. Staphylococcus
  3. Bacteroides
  4. Treponema
  5. Neisseria
None Microbiology
Which of the following lacks a cell wall?
  1. Borrelia
  2. Mycoplasma
  3. Mycobacterium
  4. Clostridium
  5. Nocardia
None Microbiology
Rickettsia differ from chlamydia in that rickettsia:
  1. are gram negative
  2. are intracellular parasites
  3. require an arthropod for transmission
  4. form elementary bodies
  5. are enterics
None Microbiology
Requirements for X and V factors are used to identify:
  1. Staphylococcus
  2. Escherichia
  3. Neisseria
  4. Haemophilus
  5. Pseudomonas
None Microbiology
Which of the following does not belong with the others?
  1. Bacillus
  2. Escherichia
  3. Lactobacillus
  4. Staphylococcus
  5. Streptococcus
None Microbiology
Which of the following statements about the causative agent of Rocky Mountain Spotted Fever is FALSE?
  1. It is an intracellular parasite
  2. It is transmitted by ticks
  3. It is in the genus Rickettsia
  4. It is gram negative
  5. It is found in soil and water
None Microbiology
Streptomyces differs from Actinomyces because Streptomyces:
  1. makes antibiotics
  2. produces conidia
  3. forms filaments
  4. is a strict aerobe
  5. is a bacterium
None Microbiology
Which of the following is the best reason to classify Streptococcus in the Lactobacillales?
  1. Gram reaction
  2. morphology
  3. fermentation of lactose
  4. rRNA sequences
  5. found in dairy products
None Microbiology
What does PAMP stand for?
None Microbiology
Which of these are examples of acid-fast bacteria? Select all that apply.
  1. mycobacteria
  2. Listeria
  3. Both a and b
  4. Staphyloccus
  5. Bacillus anthracis
None Microbiology
Which part of LPS functions as an endotoxin?
  1. O-polysaccharide
  2. Core polysaccharide
  3. Lipid A
  4. Antibodies that bind to O-polysaccharide
None Microbiology
PAMP + TLR binding leads to            cytokine            production
None Microbiology
E.coli can express lac z, y, A if lactose is present but if no lacose is present, then protein levels of Lac Z, Y, and A will be low.
  1. True
  2. False
None Microbiology
Lac Y encodes a transacteylase.
  1. True
  2. False
None Microbiology
What is polymerization?
None Microbiology
What is an operon?
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