Final Exam: SCI 251 / SCI251 (Latest 2026
/ 2027) Microbiology | Questions &
Answers 100% Correct - Nightingale
The tool of choice to observe lining microorganisms is the
Phase-contrast microscope
What type of microscopes are used to examine structures down to the atomic
level?
Scanning probe microscopes
Which of the following sites of the human body does not have a normal flora?
Blood
Which of the following diseases is transmitted via aerosols?
Psittacosis
Fossils of prokaryotes go back _____ billion years
3.5 to 4
Isotopes are atoms with
The same numbers of protons but a different number of neutrons
The breakdown of large molecules into smaller ones in the presence of water is
called _____.
Hydrolysis
The transfer of electrons in a chemical bond represents a(n)
Ionic bond
Two glucose molecules form
, Maltose
Starch is an example of a
Polysaccharide
The cell organelle responsible for the packaging of proteins is the
Golgi complex
Which of the following structures is shaped like a hollow cylinder made out of
tubulin proteins?
Microtubules
Absorption is the function of which surface appendage?
Microvilli
Pili are also called
Fimbriae
The cell organelles found only in algae and plant cells are
Chloroplasts
Peptidoglycan is typically found in the
Cell wall
DNA replication occurs in which phase of the cell cycle?
S phase
The compound that enters the Krebs Cycle and combines with oxaloacetic acid is
acetyl-CoA
Which of the following organelles contain oxidative enzymes capable of oxidizing
toxic substances?
Peroxisomes
/ 2027) Microbiology | Questions &
Answers 100% Correct - Nightingale
The tool of choice to observe lining microorganisms is the
Phase-contrast microscope
What type of microscopes are used to examine structures down to the atomic
level?
Scanning probe microscopes
Which of the following sites of the human body does not have a normal flora?
Blood
Which of the following diseases is transmitted via aerosols?
Psittacosis
Fossils of prokaryotes go back _____ billion years
3.5 to 4
Isotopes are atoms with
The same numbers of protons but a different number of neutrons
The breakdown of large molecules into smaller ones in the presence of water is
called _____.
Hydrolysis
The transfer of electrons in a chemical bond represents a(n)
Ionic bond
Two glucose molecules form
, Maltose
Starch is an example of a
Polysaccharide
The cell organelle responsible for the packaging of proteins is the
Golgi complex
Which of the following structures is shaped like a hollow cylinder made out of
tubulin proteins?
Microtubules
Absorption is the function of which surface appendage?
Microvilli
Pili are also called
Fimbriae
The cell organelles found only in algae and plant cells are
Chloroplasts
Peptidoglycan is typically found in the
Cell wall
DNA replication occurs in which phase of the cell cycle?
S phase
The compound that enters the Krebs Cycle and combines with oxaloacetic acid is
acetyl-CoA
Which of the following organelles contain oxidative enzymes capable of oxidizing
toxic substances?
Peroxisomes
