BIOS 242 CHAMBERLAIN
MIDTERM EXAM 2025/2026 QUESTIONS
AND ANSWERS 100% PASS
Which of the following is true?
A. Metabolism only involves breaking down larger molecules. - ANS Amphibolic rxns can
proceed toward anabolism or catabolism.
Which of the following is associated with the greatest risks to human health? - ANS Ethylene
oxide.
The presence of mycolic acid in the cell wall characterizes? - ANS Myobacteria.
Which of the following is a fungis? - ANS Saccharomyces.
Which microbe is correctly paired with its BSL level? - ANS MRSA; BSL 2.
Which are the stages of bacterial growth in order? - ANS A. Lag, log, stationary, death.
Which of the following are halogens? - ANS tincture of bromine, iodophor, betadine, all of
these.
1 @COPYRIGHT 2025/2026.
, Activation energy _____________. - ANS is lowered by the actions of enzymes.
Insects that carry pathogenic microbes, but do not serve as hosts are considered
______________. - ANS Mechanical vectors.
Which of the following is true of virions?
A. They may include an envelope.
B. They always include nucleic acid.
C. They always include a protein capsid.
D. All the above. - ANS They may include an envelope.
They always include nucleic acid.
They always include a protein capsid.
All of these are correct.
Which of the following drugs targets construction of the peptidoglycan cell wall? - ANS Beta-
lactams.
In which habitat would you most likely find archaea?
A. acidic hot springs.
B. great salt lake.
C. deep sea waters.
D. all the above. - ANS acidic hot springs.
great salt lake.
deep sea waters.
all of these are correct.
Single rods are? - ANS Bacilli.
2 @COPYRIGHT 2025/2026.
MIDTERM EXAM 2025/2026 QUESTIONS
AND ANSWERS 100% PASS
Which of the following is true?
A. Metabolism only involves breaking down larger molecules. - ANS Amphibolic rxns can
proceed toward anabolism or catabolism.
Which of the following is associated with the greatest risks to human health? - ANS Ethylene
oxide.
The presence of mycolic acid in the cell wall characterizes? - ANS Myobacteria.
Which of the following is a fungis? - ANS Saccharomyces.
Which microbe is correctly paired with its BSL level? - ANS MRSA; BSL 2.
Which are the stages of bacterial growth in order? - ANS A. Lag, log, stationary, death.
Which of the following are halogens? - ANS tincture of bromine, iodophor, betadine, all of
these.
1 @COPYRIGHT 2025/2026.
, Activation energy _____________. - ANS is lowered by the actions of enzymes.
Insects that carry pathogenic microbes, but do not serve as hosts are considered
______________. - ANS Mechanical vectors.
Which of the following is true of virions?
A. They may include an envelope.
B. They always include nucleic acid.
C. They always include a protein capsid.
D. All the above. - ANS They may include an envelope.
They always include nucleic acid.
They always include a protein capsid.
All of these are correct.
Which of the following drugs targets construction of the peptidoglycan cell wall? - ANS Beta-
lactams.
In which habitat would you most likely find archaea?
A. acidic hot springs.
B. great salt lake.
C. deep sea waters.
D. all the above. - ANS acidic hot springs.
great salt lake.
deep sea waters.
all of these are correct.
Single rods are? - ANS Bacilli.
2 @COPYRIGHT 2025/2026.
