Bachoon- Microbiology test 2 || 100% Correct Answers.
none of the answers is correct; all of the elements are correctly matched correct answers which of
the following elements is NOT correctly matched with its cellular function?
buffers correct answers the addition of which of the following to a culture medium will
neutralize acids
hypertonic environment correct answers salts and sugars work to preserve foods by creating a
C correct answers figure 6.2 shows a typical bacterial growth curve with the x-axis indicating the
log of the number of bacteria and the y-axis indicating time in culture. In the figure, which
section shows a growth phase where the number of cells dying equals the number of cells
dividing
b and d correct answers in figure 6.2 shows a typical bacterial growth curve with the x-axis
indicating the log of the number of bacteria and the y-axis indicating time in culture. In the
figure, which sections of the graph illustrate logarithmic change in cell numbers
7 correct answers most bacteria grow best at a pH of what
Nitrogen--needed for amino acid synthesis correct answers Which of the following elements is
NOT correctly matched with its cellular function
buffers correct answers the addition of which of the following to a culture medium will
neutralize acids
hypertonic environment correct answers salts and sugars work to preserve food by creating a
log phase correct answers during which growth phase will gram (+) bacteria be most susceptible
to penicillin
, facultative halophiles correct answers which group of microorganisms is most likely to spoil a
freshwater trout preserved with salt?
true correct answers bacterial growth refers to an increase in the numbers of cells in a bacterial
culture
true correct answers agar is used as a solidifying agent in microbiological media since few
bacteria can degrade it
false correct answers most pathogenic bacteria are thermophiles
catalase correct answers which enzyme catalyses the reaction 2H2O2--> 2H2O + O2
e correct answers in figure 6.3, which tube shows the expected growth pattern for a
microaerophile?
d correct answers in figure 6.3, which tube shows the expected growth pattern for facultative
anaerobe?
true correct answers turbidity is an indirect measurement of bacterial growth that can be
measured using a spectrophotometer
vitamin B1 correct answers which of the following is an organic growth factor
the formation of hypochlorous acid correct answers the antimicrobial activity of chlorine is due
to which of the following
disinfectant correct answers an agent used to reduce the number of bacteria on a toilet would
most accurately be called
none of the answers is correct; all of the elements are correctly matched correct answers which of
the following elements is NOT correctly matched with its cellular function?
buffers correct answers the addition of which of the following to a culture medium will
neutralize acids
hypertonic environment correct answers salts and sugars work to preserve foods by creating a
C correct answers figure 6.2 shows a typical bacterial growth curve with the x-axis indicating the
log of the number of bacteria and the y-axis indicating time in culture. In the figure, which
section shows a growth phase where the number of cells dying equals the number of cells
dividing
b and d correct answers in figure 6.2 shows a typical bacterial growth curve with the x-axis
indicating the log of the number of bacteria and the y-axis indicating time in culture. In the
figure, which sections of the graph illustrate logarithmic change in cell numbers
7 correct answers most bacteria grow best at a pH of what
Nitrogen--needed for amino acid synthesis correct answers Which of the following elements is
NOT correctly matched with its cellular function
buffers correct answers the addition of which of the following to a culture medium will
neutralize acids
hypertonic environment correct answers salts and sugars work to preserve food by creating a
log phase correct answers during which growth phase will gram (+) bacteria be most susceptible
to penicillin
, facultative halophiles correct answers which group of microorganisms is most likely to spoil a
freshwater trout preserved with salt?
true correct answers bacterial growth refers to an increase in the numbers of cells in a bacterial
culture
true correct answers agar is used as a solidifying agent in microbiological media since few
bacteria can degrade it
false correct answers most pathogenic bacteria are thermophiles
catalase correct answers which enzyme catalyses the reaction 2H2O2--> 2H2O + O2
e correct answers in figure 6.3, which tube shows the expected growth pattern for a
microaerophile?
d correct answers in figure 6.3, which tube shows the expected growth pattern for facultative
anaerobe?
true correct answers turbidity is an indirect measurement of bacterial growth that can be
measured using a spectrophotometer
vitamin B1 correct answers which of the following is an organic growth factor
the formation of hypochlorous acid correct answers the antimicrobial activity of chlorine is due
to which of the following
disinfectant correct answers an agent used to reduce the number of bacteria on a toilet would
most accurately be called
