BIOD 171 Final Exam SCRIPT 2026/2027 WITH EXPERT-
VERIFIED ANSWERS RATED A+
• Briefly explain how a Scanning Electron Microscope (SEM) forms an image of sub
cellular organelles, substrates, and viral particles. -✓✓ An image is formed from the
interactions of electrons as they reflect off (not through) the surface of a specimen.
Samples are then coated in gold to enhance the reflections.
• Match each of the following diseases to the correct bacterial family.
Scalded Skin Syndrome
Bubonic Plague
Ophthalmia Neonatorium
Legionnaires
Yersina Pestis
Legionella
Staph Aureus
Staphylococcus -✓✓ Scalded Skin Syndrome: Staph Aureus
Bubonic Plague: Yersina Pestis
Ophthalmia Neonatorium: Staphylococcus
Legionnaires: Legionella
• Identify each of the following microorganisms as either a Prokaryote or a Eukaryote.
E. coli
Archaeons
Yeast
Ameoba -✓✓ E.coli: Prokaryote
Archaeons: Prokaryote
Yeast:Eukaryote
Ameoba: Eukaryote
, • Match each of the following terms with the correct description.
Phototroph
Lithograph
Autotroph
Chemotroph
Removes electrons form inorganic molecules
Aquires energy from--
Obtains their source software carbon from inorganic molecules
Utilizes protons -✓✓ Phototroph: Utilizes protons
Lithotroph: removes electrons from inorganic molecules
Autotroph: Obtains their source software carbon from inorganic molecules
Chemotroph: Aquire energy from
• A researcher is looking to determine the source of contamination of a patient that
presented with symptoms of food poisoning. To best determine between E.coli or
Salmonella as the cause, what type eof agar will be used to isolate the growth of each?
Differential Media
Enriched Media
Selective Media
Selective and Differential Media -✓✓ Differential media.
• Place the following viral life cycle STEPS in ORDER beginning with viral attachment
and provide a description of ENTRY.
Uncoating:
Release
Replication
Attachment
Entry
New Infection -✓✓ 1. Attachment
2.Entry: the virus fuses with the host membrane and enters the cell
3. Uncoating
4. Replication
VERIFIED ANSWERS RATED A+
• Briefly explain how a Scanning Electron Microscope (SEM) forms an image of sub
cellular organelles, substrates, and viral particles. -✓✓ An image is formed from the
interactions of electrons as they reflect off (not through) the surface of a specimen.
Samples are then coated in gold to enhance the reflections.
• Match each of the following diseases to the correct bacterial family.
Scalded Skin Syndrome
Bubonic Plague
Ophthalmia Neonatorium
Legionnaires
Yersina Pestis
Legionella
Staph Aureus
Staphylococcus -✓✓ Scalded Skin Syndrome: Staph Aureus
Bubonic Plague: Yersina Pestis
Ophthalmia Neonatorium: Staphylococcus
Legionnaires: Legionella
• Identify each of the following microorganisms as either a Prokaryote or a Eukaryote.
E. coli
Archaeons
Yeast
Ameoba -✓✓ E.coli: Prokaryote
Archaeons: Prokaryote
Yeast:Eukaryote
Ameoba: Eukaryote
, • Match each of the following terms with the correct description.
Phototroph
Lithograph
Autotroph
Chemotroph
Removes electrons form inorganic molecules
Aquires energy from--
Obtains their source software carbon from inorganic molecules
Utilizes protons -✓✓ Phototroph: Utilizes protons
Lithotroph: removes electrons from inorganic molecules
Autotroph: Obtains their source software carbon from inorganic molecules
Chemotroph: Aquire energy from
• A researcher is looking to determine the source of contamination of a patient that
presented with symptoms of food poisoning. To best determine between E.coli or
Salmonella as the cause, what type eof agar will be used to isolate the growth of each?
Differential Media
Enriched Media
Selective Media
Selective and Differential Media -✓✓ Differential media.
• Place the following viral life cycle STEPS in ORDER beginning with viral attachment
and provide a description of ENTRY.
Uncoating:
Release
Replication
Attachment
Entry
New Infection -✓✓ 1. Attachment
2.Entry: the virus fuses with the host membrane and enters the cell
3. Uncoating
4. Replication
