PORTAGE LEARNING EXAM zm zm
Exam Solution zm
Portage Learning Microbiology Final Exam 2026 A+ GR zm zm zm zm zm zm zm
ADE ASSURED COMPLETE SOLUTIONS AND VERIFIED A
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NSWERS (5C9E7) zm
QUESTION 1 zm
Term
ANSWER
Definition
QUESTION 2 zm
You want to observe the movement of microorganisms that are present in a sample of
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cheek cells obtained on a patient. Briefly explain the technique that you would use a
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nd how it is performed.
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ANSWER
A wet mount stain is indicated. A small liquid culture (usually just a drop) containing a microorgani
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sm of interest is prepared, added to a slide, and then covered with a glass coverslip. The coverslip i
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s present to both protect the objective and the specimen while also holding the microorganism in pl
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ace. Wet mounts are used to observe the motility and behavior of an organism.
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QUESTION 3 zm
briefly explain why a researcher would use the simple stain technique. How is it prefo
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rmed and what does it identify
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ANSWER
it uses a solution of positively charged dye, which binds to and stains the negatively changed memb
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rane of the microorganism. This technique can show size, shape, and arrangement of cells
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QUESTION 4 zm
, What coronavirus- zm
associated infection gave rise to quarantining and travel restrictions in 2003?
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ANSWER
SARS, 2020 was COVID-19
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QUESTION 5 zm
Match each type of agar plate to the corresponding general characteristics of each. LB
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Agar Trypticase Soy Agar MacConkey Agar Mannitol Salt Agar
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ANSWER
LB Agar - Also known as lysogeny broth, it is a multi-
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purpose media capable of growing a wide variety of microorganisms Trypticase Soy Agar - A multi-
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purpose media capable of growing a wide variety of microorganisms MacConkey Agar -
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Pale red in color and is both selective and differential media. The presence of crystal violet and bil
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e salts in its formulation restricts Gram- positive bacterial growth. As such, only Gram-
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negative microbes can be grown. Mannitol Salt Agar - This Agar is selective for Gram-
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positive bacteria and can differentiate members of the Staphylococci family
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QUESTION 6 zm
True or False: Leprosy can move through the blood to other areas including the brain,
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spine, and kidneys.
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ANSWER
False: TB is primarily considered a respiratory infection, but once it fully colonizes the lungs, TB can
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move through the blood to other areas including the brain, spine, and kidneys.
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QUESTION 7 zm
True or False: Proteins can function to catalyze biochemical processes and play a role
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in structure, but they cannot enable movement.
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ANSWER
False. Proteins can function to catalyze biochemical processes, play a role in structure, and they can
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enable movement. zm
QUESTION 8 zm
True or false: if false, make it true Lipids are primarily composed of __________ hydrocar
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bons FALSE: Lipids are primarily composed of ___________ hydrocarbons
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ANSWER
Exam Solution zm
Portage Learning Microbiology Final Exam 2026 A+ GR zm zm zm zm zm zm zm
ADE ASSURED COMPLETE SOLUTIONS AND VERIFIED A
zm zm zm zm zm zm
NSWERS (5C9E7) zm
QUESTION 1 zm
Term
ANSWER
Definition
QUESTION 2 zm
You want to observe the movement of microorganisms that are present in a sample of
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cheek cells obtained on a patient. Briefly explain the technique that you would use a
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nd how it is performed.
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ANSWER
A wet mount stain is indicated. A small liquid culture (usually just a drop) containing a microorgani
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sm of interest is prepared, added to a slide, and then covered with a glass coverslip. The coverslip i
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
s present to both protect the objective and the specimen while also holding the microorganism in pl
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ace. Wet mounts are used to observe the motility and behavior of an organism.
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QUESTION 3 zm
briefly explain why a researcher would use the simple stain technique. How is it prefo
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rmed and what does it identify
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ANSWER
it uses a solution of positively charged dye, which binds to and stains the negatively changed memb
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rane of the microorganism. This technique can show size, shape, and arrangement of cells
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QUESTION 4 zm
, What coronavirus- zm
associated infection gave rise to quarantining and travel restrictions in 2003?
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ANSWER
SARS, 2020 was COVID-19
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QUESTION 5 zm
Match each type of agar plate to the corresponding general characteristics of each. LB
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Agar Trypticase Soy Agar MacConkey Agar Mannitol Salt Agar
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ANSWER
LB Agar - Also known as lysogeny broth, it is a multi-
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purpose media capable of growing a wide variety of microorganisms Trypticase Soy Agar - A multi-
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purpose media capable of growing a wide variety of microorganisms MacConkey Agar -
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Pale red in color and is both selective and differential media. The presence of crystal violet and bil
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e salts in its formulation restricts Gram- positive bacterial growth. As such, only Gram-
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negative microbes can be grown. Mannitol Salt Agar - This Agar is selective for Gram-
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positive bacteria and can differentiate members of the Staphylococci family
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QUESTION 6 zm
True or False: Leprosy can move through the blood to other areas including the brain,
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spine, and kidneys.
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ANSWER
False: TB is primarily considered a respiratory infection, but once it fully colonizes the lungs, TB can
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move through the blood to other areas including the brain, spine, and kidneys.
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QUESTION 7 zm
True or False: Proteins can function to catalyze biochemical processes and play a role
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in structure, but they cannot enable movement.
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ANSWER
False. Proteins can function to catalyze biochemical processes, play a role in structure, and they can
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enable movement. zm
QUESTION 8 zm
True or false: if false, make it true Lipids are primarily composed of __________ hydrocar
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bons FALSE: Lipids are primarily composed of ___________ hydrocarbons
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ANSWER
