Portage Learning 2025 BIOD 171 Essential Microbiology
Final Exam Newest 2025 Actual Exam Complete
Questions And Well Defined Answers(Verified
Answers)|Already Graded A+
Briefly explain how a Scanning Electron Microscope (SEM) forms an image of a
microscopic specimen. - CORRECT ANSWER-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.
Legionnaires - CORRECT ANSWER-legionella
Wound botulism - CORRECT ANSWER-Clostridium botulinum
Impetigo - CORRECT ANSWER-staph auerus
Septicemic plague - CORRECT ANSWER-yersina pestis
,Yeast - CORRECT ANSWER-Eukaryote
Mycobacterium - CORRECT ANSWER-Prokaryote
Nucleus - CORRECT ANSWER-contains genomic content in eukaryotic cells
Endoplasmic reticulum - CORRECT ANSWER-series of membrane enclosed sacs and
interconnected tubes
Lysosomes - CORRECT ANSWER-contain hydrolytic enzymes for digestion
Chloroplast - CORRECT ANSWER-Site of photosynthesis
Algae - CORRECT ANSWER-Eukaryote
flu virus - CORRECT ANSWER-neither eukaryote or prokaryote
Phototroph - CORRECT ANSWER-utilize photons to generate ATP from ADP
lithotroph - CORRECT ANSWER-remove electrons from inorganic molecules
autotroph - CORRECT ANSWER-obtain their source of carbon from inorganic
molecules
, chemotroph - CORRECT ANSWER-acquire energy from preformed chemicals in the
environment
A researcher is looking to solidify an agent for growth media. What
polysaccharide substance would he or she use? - CORRECT ANSWER-agar
Place the following viral life cycle steps in order beginning with viral attachment
(3points) and provide a description of "UNCOATING" (1 point). - CORRECT
ANSWER-1-Attachment:
2-Entry:
3- Uncoating: the viral capsid disassembles
4-Replication:
5-Release:
6-New infection:
The action of alcohol during Gram staining is___________. - CORRECT ANSWER-
Decolorizes the cell
Left untreated, three percent of cases of Streptococcal pharyngitis will progress to
which of the following? - CORRECT ANSWER-Rheumatic fever
Final Exam Newest 2025 Actual Exam Complete
Questions And Well Defined Answers(Verified
Answers)|Already Graded A+
Briefly explain how a Scanning Electron Microscope (SEM) forms an image of a
microscopic specimen. - CORRECT ANSWER-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.
Legionnaires - CORRECT ANSWER-legionella
Wound botulism - CORRECT ANSWER-Clostridium botulinum
Impetigo - CORRECT ANSWER-staph auerus
Septicemic plague - CORRECT ANSWER-yersina pestis
,Yeast - CORRECT ANSWER-Eukaryote
Mycobacterium - CORRECT ANSWER-Prokaryote
Nucleus - CORRECT ANSWER-contains genomic content in eukaryotic cells
Endoplasmic reticulum - CORRECT ANSWER-series of membrane enclosed sacs and
interconnected tubes
Lysosomes - CORRECT ANSWER-contain hydrolytic enzymes for digestion
Chloroplast - CORRECT ANSWER-Site of photosynthesis
Algae - CORRECT ANSWER-Eukaryote
flu virus - CORRECT ANSWER-neither eukaryote or prokaryote
Phototroph - CORRECT ANSWER-utilize photons to generate ATP from ADP
lithotroph - CORRECT ANSWER-remove electrons from inorganic molecules
autotroph - CORRECT ANSWER-obtain their source of carbon from inorganic
molecules
, chemotroph - CORRECT ANSWER-acquire energy from preformed chemicals in the
environment
A researcher is looking to solidify an agent for growth media. What
polysaccharide substance would he or she use? - CORRECT ANSWER-agar
Place the following viral life cycle steps in order beginning with viral attachment
(3points) and provide a description of "UNCOATING" (1 point). - CORRECT
ANSWER-1-Attachment:
2-Entry:
3- Uncoating: the viral capsid disassembles
4-Replication:
5-Release:
6-New infection:
The action of alcohol during Gram staining is___________. - CORRECT ANSWER-
Decolorizes the cell
Left untreated, three percent of cases of Streptococcal pharyngitis will progress to
which of the following? - CORRECT ANSWER-Rheumatic fever
