BIOL 251 Exam 1 Review (CSN - Josh Stomel)
Exam Questions With Correct Answers
Who |is |credited |as |the |first |person |to |discover |microbes?
a) |John |Tyndle
b) |Louis |Pasture
c) |Josh |Stomel
d) |Antony |van |Leeuwenhoek
d) |Antony |van |Leeuwenhoek
Which |of |the |following |pieces |of |evidence |would |argue |against |the |theory |of |spontaneous |
generation?
a) |All |meat |left |uncovered |will |eventually |produce |maggots, |regardless |of |whether |or |not |the |
meat |has |been |cooked
b) |When |a |sterile |bottle |of |broth |is |sealed |against |the |air, |no |microbes |grow; |however, |when |it
|is |unsealed |and |exposed |to |air, |microbes |grow |rapidly
,c) |Microbial |cells |can |grow |in |a |wide |variety |of |environments
d) |Whether |or |not |broth |grows |microbes |depends |on |how |the |broth |was |prepared
b) |When |a |sterile |bottle |of |broth |is |unsealed |against |the |air, |no |microbes |grow; |however, |
when |it |is |unsealed |and |exposed |to |air, |microbes |grow |rapidly
The |discovery |of |bacterial |endospores |explains |why |many |scientists |had |difficulty |replicating |
Pasture's |crooked |bottle |experiment. |True |or |False?
True
Most |bacteria |are |pathogens. |True |or |False?
False
Who |is |considered |the |father |of |modern |microbiology?
a) |John |Needham
b) |Robert |Hooke
c) |Antony |van |Leeuwenhoek
,d) |Louis |Pasture
d) |Louis |Pasture
Which |of |the |following |structures |would |not |be |found |in |a |bacterial |cell?
a) |Nucleoid
b) |Mitochondria
c) |Ribosome
d) |Cell |wall
b) |Mitochondria
Which |of |the |following |statements |is |true |for |Gram+ |cell |walls, |but |false |for |Gram- |cell |walls?
a) |They |contain |lipoteichoic |acid
b) |They |are |made |of |peptidoglycan
c) |They |contain |an |outer |membrane
, d) |They |are |enterotoxic
a) |They |contain |lipoteichoic |acid
All |bacteria |contain |a |flagella. |True |or |False?
False
What |is |the |function |of |Gram's |Iodine |in |a |Gram |stain?
a) |It |stains |the |Gram |positive |cell |walls |purple
b) |It |acts |to |fix |the |crystal |violet |in |place |so |that |it |cannot |leave |the |cell
c) |It |is |a |counterstain
d) |It |washes |crystal |violet |out |of |Gram |negative |cell |walls
b) |It |acts |to |fix |the |crystal |violet |in |place |so |that |it |cannot |leave |the |cell |wall
Which |of |the |following |features |could |be |considered |virulence |factors?
a) |Fimbria
Exam Questions With Correct Answers
Who |is |credited |as |the |first |person |to |discover |microbes?
a) |John |Tyndle
b) |Louis |Pasture
c) |Josh |Stomel
d) |Antony |van |Leeuwenhoek
d) |Antony |van |Leeuwenhoek
Which |of |the |following |pieces |of |evidence |would |argue |against |the |theory |of |spontaneous |
generation?
a) |All |meat |left |uncovered |will |eventually |produce |maggots, |regardless |of |whether |or |not |the |
meat |has |been |cooked
b) |When |a |sterile |bottle |of |broth |is |sealed |against |the |air, |no |microbes |grow; |however, |when |it
|is |unsealed |and |exposed |to |air, |microbes |grow |rapidly
,c) |Microbial |cells |can |grow |in |a |wide |variety |of |environments
d) |Whether |or |not |broth |grows |microbes |depends |on |how |the |broth |was |prepared
b) |When |a |sterile |bottle |of |broth |is |unsealed |against |the |air, |no |microbes |grow; |however, |
when |it |is |unsealed |and |exposed |to |air, |microbes |grow |rapidly
The |discovery |of |bacterial |endospores |explains |why |many |scientists |had |difficulty |replicating |
Pasture's |crooked |bottle |experiment. |True |or |False?
True
Most |bacteria |are |pathogens. |True |or |False?
False
Who |is |considered |the |father |of |modern |microbiology?
a) |John |Needham
b) |Robert |Hooke
c) |Antony |van |Leeuwenhoek
,d) |Louis |Pasture
d) |Louis |Pasture
Which |of |the |following |structures |would |not |be |found |in |a |bacterial |cell?
a) |Nucleoid
b) |Mitochondria
c) |Ribosome
d) |Cell |wall
b) |Mitochondria
Which |of |the |following |statements |is |true |for |Gram+ |cell |walls, |but |false |for |Gram- |cell |walls?
a) |They |contain |lipoteichoic |acid
b) |They |are |made |of |peptidoglycan
c) |They |contain |an |outer |membrane
, d) |They |are |enterotoxic
a) |They |contain |lipoteichoic |acid
All |bacteria |contain |a |flagella. |True |or |False?
False
What |is |the |function |of |Gram's |Iodine |in |a |Gram |stain?
a) |It |stains |the |Gram |positive |cell |walls |purple
b) |It |acts |to |fix |the |crystal |violet |in |place |so |that |it |cannot |leave |the |cell
c) |It |is |a |counterstain
d) |It |washes |crystal |violet |out |of |Gram |negative |cell |walls
b) |It |acts |to |fix |the |crystal |violet |in |place |so |that |it |cannot |leave |the |cell |wall
Which |of |the |following |features |could |be |considered |virulence |factors?
a) |Fimbria
