Question 1

Thayer-Martin and Martin-Lewis media are used to isolate and identify

Accepted Answer

A)   E. coli
B)   Mycobacteria
C)   Neisseria
D)   Salmonella
E)   ShigellaF) A) and C)
G) A) and E)

Question 2

Bacterial antibiotic resistance is frequently conveyed by

Accepted Answer

A)   A temperate bacteriophage
B)   An R-factor plasmid
C)   A replicon
D)   A lytic bacteriophage
E)   An intronF) A) and D)
G) A) and E)

Question 3

The exchange of allelic forms of genes is involved in which of the following processes?

Accepted Answer

A)   Transformation
B)   Conjugation
C)   Transduction
D)   Transcription
E)   RecombinationF) A) and E)
G) None of the above

Question 4

Polymers of N-acetylglucosamine and N-acetylmuramic acid are found in which of the following structures?

Accepted Answer

A)   Teichoic acid
B)   Cell wall
C)   Glycocalyx
D)   LipopolysaccharideE) A) and B)
F) A) and C)

Question 5

Bacteria that synthesize organic compounds from inorganic compounds are

Accepted Answer

A)   Heterotrophs
B)   Obligate anaerobes
C)   Aerobes
D)   Facultative anaerobes
E)   AutotrophsF) A) and E)
G) B) and E)

Exam 2: Bacteria

Polymers of N-acetylglucosamine and N-acetylmuramic acid are found in which of the following structures?