Portage Microbiology BIOD171 FINAL EXAM
Latest 2025 With Complete Questions and
Correct Answers (well detailed)|Graded A+
A wet mount stain is indicated. A small liquid culture (usually just a drop)
containing a microorganism of interest is prepared, added to a slide, and then
covered with a glass coverslip. The coverslip is present to both protect the
objective and the specimen while also holding the microorganism in place. Wet
mounts are used to observe the motility and behavior of an organism. -
DETAILED ANSWER -You want to observe the movement of microorganisms
that are present in a sample of cheek cells obtained on a patient. Briefly explain
the technique that you would use and how it is performed.
SARS - DETAILED ANSWER -What coronavirus-associated infection gave rise to
quarantining and travel restrictions in 2003?
LB Agar - DETAILED ANSWER -Also known as lysogeny broth, it is a multipurpose
media capable of growing a wide variety of microorganisms.
Mannitol Salt Agar - DETAILED ANSWER -Red in color and is both a selective and
differential media. This agar is selective for Gram-positive bacteria and can
differentiate members of the Staphylococci family.
, contains genomic content in eukaryotic cells - DETAILED ANSWER -Nucleus
series of membrane enclosed sacs and interconnected tubes - DETAILED
ANSWER -Endoplasmic reticulum
contain hydrolytic enzymes for digestion - DETAILED ANSWER -Lysosomes
Site of photosynthesis - DETAILED ANSWER -Chloroplast
Answer: An image is formed from the interactions of electrons as they reflect off
(not through) the surface of the specimen. Samples are coated in either gold or
palladium to enhance electron reflections. The reflection is seen in 3-D rendering.
- DETAILED ANSWER -Briefly explain how a Scanning Electron Microscope (SEM)
forms an image of a microscopic specimen.
legionella - DETAILED ANSWER -Legionnaires
Clostridium botulinum - DETAILED ANSWER -Wound botulism
staph auerus - DETAILED ANSWER -Impetigo
yersina pestis - DETAILED ANSWER -Septicemic plague
Eukaryote - DETAILED ANSWER -Yeast
Prokaryote - DETAILED ANSWER -Mycobacterium
Latest 2025 With Complete Questions and
Correct Answers (well detailed)|Graded A+
A wet mount stain is indicated. A small liquid culture (usually just a drop)
containing a microorganism of interest is prepared, added to a slide, and then
covered with a glass coverslip. The coverslip is present to both protect the
objective and the specimen while also holding the microorganism in place. Wet
mounts are used to observe the motility and behavior of an organism. -
DETAILED ANSWER -You want to observe the movement of microorganisms
that are present in a sample of cheek cells obtained on a patient. Briefly explain
the technique that you would use and how it is performed.
SARS - DETAILED ANSWER -What coronavirus-associated infection gave rise to
quarantining and travel restrictions in 2003?
LB Agar - DETAILED ANSWER -Also known as lysogeny broth, it is a multipurpose
media capable of growing a wide variety of microorganisms.
Mannitol Salt Agar - DETAILED ANSWER -Red in color and is both a selective and
differential media. This agar is selective for Gram-positive bacteria and can
differentiate members of the Staphylococci family.
, contains genomic content in eukaryotic cells - DETAILED ANSWER -Nucleus
series of membrane enclosed sacs and interconnected tubes - DETAILED
ANSWER -Endoplasmic reticulum
contain hydrolytic enzymes for digestion - DETAILED ANSWER -Lysosomes
Site of photosynthesis - DETAILED ANSWER -Chloroplast
Answer: An image is formed from the interactions of electrons as they reflect off
(not through) the surface of the specimen. Samples are coated in either gold or
palladium to enhance electron reflections. The reflection is seen in 3-D rendering.
- DETAILED ANSWER -Briefly explain how a Scanning Electron Microscope (SEM)
forms an image of a microscopic specimen.
legionella - DETAILED ANSWER -Legionnaires
Clostridium botulinum - DETAILED ANSWER -Wound botulism
staph auerus - DETAILED ANSWER -Impetigo
yersina pestis - DETAILED ANSWER -Septicemic plague
Eukaryote - DETAILED ANSWER -Yeast
Prokaryote - DETAILED ANSWER -Mycobacterium
