Microbiology Exam I Questions With
Complete Solutions
Which of the folllowing statements regarding microbial cells is FALSE?
A) Microbial cells aquire food, gain energy to grow and respond to change
B) Single-celled organisms need a microscope to see them but some bacteria can be seen with
the naked eye
C) Microbes function as individual entities
D) Many microbes form complex mulitcelluar assemblages
E) Viruses are not considered microbial cells C
What did van Leewenhoek discover microscopy before and after drinking hot beverages?
A) heat did not kill microbes
B) heat killed microbes
C) heat did not kill algae
D) Caffeine killed microbes
E) the existence of spiral-shaped microbes B
A rod-shaped microbe is called:
A) bacillus
, Microbiology Exam I Questions With
Complete Solutions
B) coccus
C) vibrio
D) strepto
E) spirochete A
Resolution is the smallest distance by which 2 objects can be ___ and still be ___.
A) magnified, distinguished
B) separated, distinguished
C) magnified, separated
D) separated, detected
E) reflected, distinguished B
Which series is smallest to largest in size:
A) Virus-bacterium-RBC-paramecium
B) ribosome-virus-bacterium-paramecium
C) Virus-bacterium-paramecium-RBC
D) A & B
, Microbiology Exam I Questions With
Complete Solutions
E) B& C D
The third amino acid in the peptidoglycan crosslinking chain is m-diaminopimelic acid because
this amino acid must:
A) Be postively charged for a salt bridge to form
B) Be hydrophilic
C) have a free amino group for peptide bond formation
D) HHave a large R-side chain to fill the space in the cell wall
E)be hydrophobic C
Cells must be broken open in order to fractionate the components. Each can be used in bacterial
cell breakage EXCEPT:
A) french press
B) lysozyme
C)mild detergent
D) ultracentrifugation
E) EDTA D
Complete Solutions
Which of the folllowing statements regarding microbial cells is FALSE?
A) Microbial cells aquire food, gain energy to grow and respond to change
B) Single-celled organisms need a microscope to see them but some bacteria can be seen with
the naked eye
C) Microbes function as individual entities
D) Many microbes form complex mulitcelluar assemblages
E) Viruses are not considered microbial cells C
What did van Leewenhoek discover microscopy before and after drinking hot beverages?
A) heat did not kill microbes
B) heat killed microbes
C) heat did not kill algae
D) Caffeine killed microbes
E) the existence of spiral-shaped microbes B
A rod-shaped microbe is called:
A) bacillus
, Microbiology Exam I Questions With
Complete Solutions
B) coccus
C) vibrio
D) strepto
E) spirochete A
Resolution is the smallest distance by which 2 objects can be ___ and still be ___.
A) magnified, distinguished
B) separated, distinguished
C) magnified, separated
D) separated, detected
E) reflected, distinguished B
Which series is smallest to largest in size:
A) Virus-bacterium-RBC-paramecium
B) ribosome-virus-bacterium-paramecium
C) Virus-bacterium-paramecium-RBC
D) A & B
, Microbiology Exam I Questions With
Complete Solutions
E) B& C D
The third amino acid in the peptidoglycan crosslinking chain is m-diaminopimelic acid because
this amino acid must:
A) Be postively charged for a salt bridge to form
B) Be hydrophilic
C) have a free amino group for peptide bond formation
D) HHave a large R-side chain to fill the space in the cell wall
E)be hydrophobic C
Cells must be broken open in order to fractionate the components. Each can be used in bacterial
cell breakage EXCEPT:
A) french press
B) lysozyme
C)mild detergent
D) ultracentrifugation
E) EDTA D
