BIO-205 Microbiology Midterm Exam
Questions With Correct Answers
Fungi |are |important |because |of |their |ability |to |- |CORRECT |ANSWER✔✔-help |many |plants |
grow, |cause |disease |in |plants, |make |certain |foods |and |beverages, |and |spoil |food.
All |fungi |have |____ |in |their |cell |walls. |- |CORRECT |ANSWER✔✔-chitin
The |mechanism |by |which |genes |are |transferred |into |bacteria |via |viruses |is |called |- |CORRECT |
ANSWER✔✔-transduction
The |source |of |variation |among |microorganisms |that |were |once |identical |is |- |CORRECT |
ANSWER✔✔-mutation
Intercalating |agents |- |CORRECT |ANSWER✔✔-act |during |DNA |synthesis |and |often |result |in |
frame |shift |mutations.
Gene |transfer |that |requires |cell-to-cell |contact |is |- |CORRECT |ANSWER✔✔-conjugation
Segments |of |DNA |capable |of |moving |from |one |area |in |the |DNA |to |another |are |called |- |
CORRECT |ANSWER✔✔-transposons
A |clever |technique |that |streamlines |the |identification |of |auxotrophic |mutants |is |- |CORRECT |
ANSWER✔✔-replica |plating
,Thymine |dimers |are |dealt |with |by |- |CORRECT |ANSWER✔✔-photoreactivation |repair |and |
excision |repair
Irradiation |of |cells |with |ultraviolet |light |may |cause |- |CORRECT |ANSWER✔✔-thymine |dimers
The |group |of |Fungi |in |which |sexual |reproduction |has |not |been |observed |is |- |CORRECT |
ANSWER✔✔-Deuteromycetes
A |tangle |of |fungal |hyphae |is |generally |known |as |a |- |CORRECT |ANSWER✔✔-mycelium
Which |technique(s) |is/are |used |to |help |identify |and |classify |bacteria? |- |CORRECT |ANSWER✔✔-
Microscopic |examination, |culture |characteristics, |biochemical |tests, |and |nucleic |acid |analysis.
Lichens |may |be |an |association |of |- |CORRECT |ANSWER✔✔-algae |and |fungus
The |terms |yeast, |mold, |and |mushrooms |refers |to |fungal |- |CORRECT |ANSWER✔✔-morphology
Gram |positive |encapsulated |diplococci |found |in |sputum |is |indicative |of |- |CORRECT |
ANSWER✔✔-Streptococcus |pneumoniae
Fungi |are |often |capable |of |locomotion |through |the |use |of |flagella. |- |CORRECT |ANSWER✔✔-
False
Mycorrhizae |- |CORRECT |ANSWER✔✔-are |vital |for |the |survival |of |many |plants |and |increase |the
|absorptive |ability |of |roots
All |known |species |of |bacteria |are |described |in |Bergey's |Manual |of |Systematic |Bacteriology. |- |
CORRECT |ANSWER✔✔-True
, Chemical |mutagens |often |act |by |altering |the |- |CORRECT |ANSWER✔✔-hydrogen |bonding |
properties |of |the |nitrogen |bases
Fungi |are |classified |according |to |their |- |CORRECT |ANSWER✔✔-method |of |sexual |reproduction
Most |fungi |are |- |CORRECT |ANSWER✔✔-aerobic |or |facultatively |anaerobic
Modern |approaches |to |evolutionary |taxonomy |often |involve |- |CORRECT |ANSWER✔✔-
comparison |of |DNA |and |RNA
X-rays |- |CORRECT |ANSWER✔✔-cause |single |and |double |stranded |breaks
Which |strand |would |UV |radiation |have |the |most |effect? |- |CORRECT |ANSWER✔✔-AATTAGTTC
The |return |of |carbon |dioxide |to |the |atmosphere |and |nitrogen |to |the |soil |is |due |to |the |action |
of |- |CORRECT |ANSWER✔✔-fungi |and |bacteria
Intracellular |Gram |negative |diplococci |found |in |a |urethral |sample |from |a |male |is |indicative |of |-
|CORRECT |ANSWER✔✔-Neisseria |gonorrhea
Which |of |the |rRNA |molecules |has |proven |the |most |useful |in |taxonomy/identification? |- |
CORRECT |ANSWER✔✔-16S
The |designation |his- |refers |to |- |CORRECT |ANSWER✔✔-the |genotype |of |a |bacterium |that |lacks |
a |functional |gene |for |histidine |synthesis |and |bacteria |that |are |auxotrophic |for |histidine
Questions With Correct Answers
Fungi |are |important |because |of |their |ability |to |- |CORRECT |ANSWER✔✔-help |many |plants |
grow, |cause |disease |in |plants, |make |certain |foods |and |beverages, |and |spoil |food.
All |fungi |have |____ |in |their |cell |walls. |- |CORRECT |ANSWER✔✔-chitin
The |mechanism |by |which |genes |are |transferred |into |bacteria |via |viruses |is |called |- |CORRECT |
ANSWER✔✔-transduction
The |source |of |variation |among |microorganisms |that |were |once |identical |is |- |CORRECT |
ANSWER✔✔-mutation
Intercalating |agents |- |CORRECT |ANSWER✔✔-act |during |DNA |synthesis |and |often |result |in |
frame |shift |mutations.
Gene |transfer |that |requires |cell-to-cell |contact |is |- |CORRECT |ANSWER✔✔-conjugation
Segments |of |DNA |capable |of |moving |from |one |area |in |the |DNA |to |another |are |called |- |
CORRECT |ANSWER✔✔-transposons
A |clever |technique |that |streamlines |the |identification |of |auxotrophic |mutants |is |- |CORRECT |
ANSWER✔✔-replica |plating
,Thymine |dimers |are |dealt |with |by |- |CORRECT |ANSWER✔✔-photoreactivation |repair |and |
excision |repair
Irradiation |of |cells |with |ultraviolet |light |may |cause |- |CORRECT |ANSWER✔✔-thymine |dimers
The |group |of |Fungi |in |which |sexual |reproduction |has |not |been |observed |is |- |CORRECT |
ANSWER✔✔-Deuteromycetes
A |tangle |of |fungal |hyphae |is |generally |known |as |a |- |CORRECT |ANSWER✔✔-mycelium
Which |technique(s) |is/are |used |to |help |identify |and |classify |bacteria? |- |CORRECT |ANSWER✔✔-
Microscopic |examination, |culture |characteristics, |biochemical |tests, |and |nucleic |acid |analysis.
Lichens |may |be |an |association |of |- |CORRECT |ANSWER✔✔-algae |and |fungus
The |terms |yeast, |mold, |and |mushrooms |refers |to |fungal |- |CORRECT |ANSWER✔✔-morphology
Gram |positive |encapsulated |diplococci |found |in |sputum |is |indicative |of |- |CORRECT |
ANSWER✔✔-Streptococcus |pneumoniae
Fungi |are |often |capable |of |locomotion |through |the |use |of |flagella. |- |CORRECT |ANSWER✔✔-
False
Mycorrhizae |- |CORRECT |ANSWER✔✔-are |vital |for |the |survival |of |many |plants |and |increase |the
|absorptive |ability |of |roots
All |known |species |of |bacteria |are |described |in |Bergey's |Manual |of |Systematic |Bacteriology. |- |
CORRECT |ANSWER✔✔-True
, Chemical |mutagens |often |act |by |altering |the |- |CORRECT |ANSWER✔✔-hydrogen |bonding |
properties |of |the |nitrogen |bases
Fungi |are |classified |according |to |their |- |CORRECT |ANSWER✔✔-method |of |sexual |reproduction
Most |fungi |are |- |CORRECT |ANSWER✔✔-aerobic |or |facultatively |anaerobic
Modern |approaches |to |evolutionary |taxonomy |often |involve |- |CORRECT |ANSWER✔✔-
comparison |of |DNA |and |RNA
X-rays |- |CORRECT |ANSWER✔✔-cause |single |and |double |stranded |breaks
Which |strand |would |UV |radiation |have |the |most |effect? |- |CORRECT |ANSWER✔✔-AATTAGTTC
The |return |of |carbon |dioxide |to |the |atmosphere |and |nitrogen |to |the |soil |is |due |to |the |action |
of |- |CORRECT |ANSWER✔✔-fungi |and |bacteria
Intracellular |Gram |negative |diplococci |found |in |a |urethral |sample |from |a |male |is |indicative |of |-
|CORRECT |ANSWER✔✔-Neisseria |gonorrhea
Which |of |the |rRNA |molecules |has |proven |the |most |useful |in |taxonomy/identification? |- |
CORRECT |ANSWER✔✔-16S
The |designation |his- |refers |to |- |CORRECT |ANSWER✔✔-the |genotype |of |a |bacterium |that |lacks |
a |functional |gene |for |histidine |synthesis |and |bacteria |that |are |auxotrophic |for |histidine
