Microbiology Exam
Microbiology Exam Chamberlain - Predictor
Test with 350 Verified Questions and Correct
Answers with Detailed Rationales Graded A+
/ Microbiology Exam Prep Test Latest
which one of the following prokaryotic transport system does NOT require the use of cellular
energy to transport molecules across the cell membrane
a. facilitated diffusion
b. ABC transport
c. siderophores
d. group translocation - Correct Answer :facilitated diffusion
which of the following proteins represents a coupled transport system where two molecules
travel in the same direction
a. aquaporin
b. symport
c. antiport
d. porin - Correct Answer :symport
which of the following is the best thecae for counting only viable cells
a. direct microscopic count
b. pour plate
c. spectrophotometer
d. chemostat
e. dry weight measurements - Correct Answer :pour plate
A+ TEST BANK 1
, Microbiology Exam
when the population douse during each given unit of time, the growth is
a. linear
b. exponential
c. geometrical
d. arithmetic
e. stationary - Correct Answer :exponential
the shortest lag period would most likely be observed in the transfer
a. from complex medium to fresh complex medium
b. from complex medium to mineral medium
c. to lower temperature
d. from differential media to selective media - Correct Answer :from complex medium to fresh
complex medium
you are measuring growth in a bacterial culture. The number of viable cells remains constant,
and when you check the medium, you find that the carbon source has been used up. In which
phase of growth is the culture?
a. lag
b. early log
c. late log
d. stationary
e. death - Correct Answer :stationary
a cafeteria worker who fall to wash his hands thoroughly and fails to wear gloves inoculates a pie
with 4 E. coli cells when he uses his finger to test whether it is done/ By the time you purchase
the pie, there are 128 E. coli cells in it. How many generation did the cells go though? (log232=5,
log2(0.03125)=-5, log2128=7, log24=2)
A+ TEST BANK 2
, Microbiology Exam
a. 7
b. 5
c. -5
d. 32
e. 2 - Correct Answer :5
128=4x 2^n
32= 2^n
ln^32= ln^2n
5=n
human pathogens are usually
a. halophilic
b. psychrophilic
c. mesophilic
d. thermophilic
e. extreme thermophilic - Correct Answer :mesophilic
which of ht following are prominent members of microbial communities beneath icebergs in the
Arctic and Antarctic?
a. barophiles
b. psychrophiles
c. mesophiles
d. thermophiles
e. acidophiles - Correct Answer :barophiles or psychrophiles
a bacterium that thrives in your stomach is probably a
A+ TEST BANK 3
, Microbiology Exam
a. thermophile
b. neutrophile
c alkaphile
d. acidophile
e. psychrophile - Correct Answer :acidophile
the use of oxygen as the terminal electron acceptor is called
a. aerobic respiration
b. anaerobic respiration
c. fermentation
d. oxygenic photosynthesis
e. carbon dioxide fixation - Correct Answer :aerobic respiration
all of the following glycolysis intermediates can generate AP through the substrate-level
phosphorylation EXCEPT
a. fructose 6-phosphate
b. phosphoenolpyruvate
c. 1,3-bisphoenolpyruvate
d. B and C - Correct Answer :fructose 6-phosphate
work tis dilution problem solve for the number of colony forming units in 1mL of the E. coli
sample - Correct Answer :6.3x 10^6
all of the following are reasons to catabolize glucose in a series of steps EXCEPT
a. generate small amount of energy in the for of ATP
b. generate reduced NADH electron carrier
c. generate pyruvate molecules for further catabolism
A+ TEST BANK 4
Microbiology Exam Chamberlain - Predictor
Test with 350 Verified Questions and Correct
Answers with Detailed Rationales Graded A+
/ Microbiology Exam Prep Test Latest
which one of the following prokaryotic transport system does NOT require the use of cellular
energy to transport molecules across the cell membrane
a. facilitated diffusion
b. ABC transport
c. siderophores
d. group translocation - Correct Answer :facilitated diffusion
which of the following proteins represents a coupled transport system where two molecules
travel in the same direction
a. aquaporin
b. symport
c. antiport
d. porin - Correct Answer :symport
which of the following is the best thecae for counting only viable cells
a. direct microscopic count
b. pour plate
c. spectrophotometer
d. chemostat
e. dry weight measurements - Correct Answer :pour plate
A+ TEST BANK 1
, Microbiology Exam
when the population douse during each given unit of time, the growth is
a. linear
b. exponential
c. geometrical
d. arithmetic
e. stationary - Correct Answer :exponential
the shortest lag period would most likely be observed in the transfer
a. from complex medium to fresh complex medium
b. from complex medium to mineral medium
c. to lower temperature
d. from differential media to selective media - Correct Answer :from complex medium to fresh
complex medium
you are measuring growth in a bacterial culture. The number of viable cells remains constant,
and when you check the medium, you find that the carbon source has been used up. In which
phase of growth is the culture?
a. lag
b. early log
c. late log
d. stationary
e. death - Correct Answer :stationary
a cafeteria worker who fall to wash his hands thoroughly and fails to wear gloves inoculates a pie
with 4 E. coli cells when he uses his finger to test whether it is done/ By the time you purchase
the pie, there are 128 E. coli cells in it. How many generation did the cells go though? (log232=5,
log2(0.03125)=-5, log2128=7, log24=2)
A+ TEST BANK 2
, Microbiology Exam
a. 7
b. 5
c. -5
d. 32
e. 2 - Correct Answer :5
128=4x 2^n
32= 2^n
ln^32= ln^2n
5=n
human pathogens are usually
a. halophilic
b. psychrophilic
c. mesophilic
d. thermophilic
e. extreme thermophilic - Correct Answer :mesophilic
which of ht following are prominent members of microbial communities beneath icebergs in the
Arctic and Antarctic?
a. barophiles
b. psychrophiles
c. mesophiles
d. thermophiles
e. acidophiles - Correct Answer :barophiles or psychrophiles
a bacterium that thrives in your stomach is probably a
A+ TEST BANK 3
, Microbiology Exam
a. thermophile
b. neutrophile
c alkaphile
d. acidophile
e. psychrophile - Correct Answer :acidophile
the use of oxygen as the terminal electron acceptor is called
a. aerobic respiration
b. anaerobic respiration
c. fermentation
d. oxygenic photosynthesis
e. carbon dioxide fixation - Correct Answer :aerobic respiration
all of the following glycolysis intermediates can generate AP through the substrate-level
phosphorylation EXCEPT
a. fructose 6-phosphate
b. phosphoenolpyruvate
c. 1,3-bisphoenolpyruvate
d. B and C - Correct Answer :fructose 6-phosphate
work tis dilution problem solve for the number of colony forming units in 1mL of the E. coli
sample - Correct Answer :6.3x 10^6
all of the following are reasons to catabolize glucose in a series of steps EXCEPT
a. generate small amount of energy in the for of ATP
b. generate reduced NADH electron carrier
c. generate pyruvate molecules for further catabolism
A+ TEST BANK 4
