TEST BANK FOR MICROBIOLOGY, A SYSTEMS
APPROACH, 6TH EDITION, MARJORIE KELLY
COWAN, HEIDI SMITH
the development of virulent, toxin-producing bacterial strains due to the presence of
a temperate phage can occur through the process of: - ANSWER specialized
transduction
The method of removing vegetative microbial life forms and debris to reduce
contamination to safe levels is termed_________. - ANSWER sanitization
the ______are drugs that deposit in developing teeth and cause permanent brown
discoloration - ANSWER tetracylcines
Surfactants work by
A. Coating the organism preventing interaction with its environment
B. Blocking transport into the organism
C. Blocking transport out from the organism
D. Disrupting membrane integrity
E. All of the choices are correct - ANSWER disrupting membrane integrity
which of the following microbial forms has the highest resistance to physical and
chemical controls? - ANSWER bacterial endospores
a microorganism that does not have catalase or superoxide dismutase would find it
difficult to live in an environment with _____ - ANSWER oxygen
What type of mutation alters the base, but not the amino acid being coded for? -
ANSWER silent
movement of substances from lower to higher concentration across a
semipermeable membrane that must have a specific protein carrier and cell
expenditure of energy is called_____ - ANSWER active transport
all_consist of a thiazolidine ring, a beta-lactam ring, and an R group - ANSWER
Penicillins
How do sulfonamides work? - ANSWER inhibit folic acid synthesis
Base pairs in DNA are held together by _____ bonds. - ANSWER hydrogen
Cultures of a bacterial species were incubated out on the incubator shelf, in an
anaerobic jar and in a candle jar. After incubation there was moderate growth of
APPROACH, 6TH EDITION, MARJORIE KELLY
COWAN, HEIDI SMITH
the development of virulent, toxin-producing bacterial strains due to the presence of
a temperate phage can occur through the process of: - ANSWER specialized
transduction
The method of removing vegetative microbial life forms and debris to reduce
contamination to safe levels is termed_________. - ANSWER sanitization
the ______are drugs that deposit in developing teeth and cause permanent brown
discoloration - ANSWER tetracylcines
Surfactants work by
A. Coating the organism preventing interaction with its environment
B. Blocking transport into the organism
C. Blocking transport out from the organism
D. Disrupting membrane integrity
E. All of the choices are correct - ANSWER disrupting membrane integrity
which of the following microbial forms has the highest resistance to physical and
chemical controls? - ANSWER bacterial endospores
a microorganism that does not have catalase or superoxide dismutase would find it
difficult to live in an environment with _____ - ANSWER oxygen
What type of mutation alters the base, but not the amino acid being coded for? -
ANSWER silent
movement of substances from lower to higher concentration across a
semipermeable membrane that must have a specific protein carrier and cell
expenditure of energy is called_____ - ANSWER active transport
all_consist of a thiazolidine ring, a beta-lactam ring, and an R group - ANSWER
Penicillins
How do sulfonamides work? - ANSWER inhibit folic acid synthesis
Base pairs in DNA are held together by _____ bonds. - ANSWER hydrogen
Cultures of a bacterial species were incubated out on the incubator shelf, in an
anaerobic jar and in a candle jar. After incubation there was moderate growth of
