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MCB 3020 EXAM 1 TEST 2 QUESTIONS AND ANSWERS
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MCB 3020 EXAM 1 QUESTIONS AND ANSWERS
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Name: Score:104 Multiple choice questions
Term 1 of 104
Which of the following is used for both storing genetic information and used as structural
support
DNA
Protein
RNA
Nucleotide
Term 2 of 104
Staining is an important part of smear preparation for microscopic viewing. Which of the
following staining procedures uses more than one stain?
Spore stain
Staining for Tuberculosis agent
Capsule stain
All of the above
Term 3 of 104
The electron microscope has 2 different types, TEM and PEM:
True
False
,Term 4 of 104
Na+ and glucose are transported into the cell together with the help of a Na+ concentration
gradient. Which of the following is the transport mechanism used?
symport
simple diffusion
antiport
PEP group translocation
uniport
Term 5 of 104
NAM and NAG are found in:
A. Murein
B. Cell wall
C. Peptidoglycans
D. There are more than one correct answer
E. These all match
A. all of the answers are correct
D. There are more than one correct answer
D. All of the above
Term 6 of 104
What is the significance of a facultative anaerobe?
It does not require oxygen but works significantly better with it
It works only with oxygen
It works only without oxygen
It works only in small concentrations of oxygen
None of the above
,Term 7 of 104
You have isolated the H. pylori bacteria in your classroom. Which microscope should you use
to possibly view the specimen?
light microscope
wet mount
electron microscope
transmission microscope
magnifying glass
Term 8 of 104
Protons are pumped out of the cell, which creates a proton gradient and a charge gradient.
This dual energy source is Used by symport to concentrate nutrient inside the cell.
True
False
Term 9 of 104
Bacterial colony morphology is a way to determine the form, elevation, and margin of a
bacterial species on a culture media.
True
False
Term 10 of 104
Which of the following is not correct
The higher the absorption the higher the optical density
All of these ARE correct
Cells grow at a constant rate during the growth phase
Generation time is measured during the growth (log) phase
, Term 11 of 104
Simple positive staining procedure can determine:
A. Morphology
B. Motility
C. Arrangment
D. Sporulation
A. All of these
B. A, B and C
C. A and C
D. A, and B
E. A, C, and D
C. A and C
A. Archaea
A. A and D
A. I and II
Term 12 of 104
A bacterial cell that prefers the presence of oxygen but can survive without it is called a/an
facultative anaerobe
obligate aerobe
aerotolerant anaerobe
strict anaerobe
microaerophile
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