GCU BIO-205 Exam 1 Questions With
Correct Answers
Anton |van |Leeuwenhoek |- |CORRECT |ANSWER✔✔-Father |of |microbiology
Created |1st |magnifying |glass
Coined |the |term |'Animalcules'
Animalcules |- |CORRECT |ANSWER✔✔-First |term |used |to |describe |microorganisms
What |is |the |theory |of |Spontaneous |Generation? |- |CORRECT |ANSWER✔✔-Life |arises |
spontaneously |from |non-living |material |(abiogenesis)
Who |were |the |scientists |involved |in |the |theory |of |spontaneous |generation? |- |CORRECT |
ANSWER✔✔-Francesco |Redi |(meat |in |jars |experiment)
Louis |Pasteur |(Swan |Neck |Flask |experiment)
John |Tyndall |(found |heat |resistant |microbes) |
Ferdinand |Cohn |(discovered |endospores)
Robert |Koch |(discovered |anthrax |disease |by |spore |forming |bacteria)
What |were |the |structures |present |in |hay |infusions? |- |CORRECT |ANSWER✔✔-Heat |resistant |
microbes |called |endospores
Which |experiment |disproved |TSG |(theory |of |spontaneous |generation)? |- |CORRECT |
ANSWER✔✔-Louis |Pasteur |swan |neck |flask |experiment
, What |is |bioremediation? |- |CORRECT |ANSWER✔✔-The |use |of |microorganisms |to |clean |
pollution
How |do |viruses |grow? |- |CORRECT |ANSWER✔✔-They |cannot |reproduce |on |their |own. |The |
must |use |a |living |host |cell
What |does |the |resolving |power |of |a |microscope |do? |- |CORRECT |ANSWER✔✔-Distinguish |two |
objects |that |are |close |together
What |does |immersion |oil |do? |- |CORRECT |ANSWER✔✔-Increases |resolution |and |decreases |
light |refraction
Which |microscope |is |used |to |observe |a |specimen |at |the |atomic |level? |- |CORRECT |
ANSWER✔✔-Atomic |Force |Microscope |(1980)
What |does |positive |staining |do? |- |CORRECT |ANSWER✔✔-Contains |positive |charge |that |dyes |
the |cells
What |does |negative |staining |do? |- |CORRECT |ANSWER✔✔-Contains |negative |charge |that |dyes |
the |background
Which |dyes |contain |a |positive |charge? |- |CORRECT |ANSWER✔✔-Basic |dyes
Which |dyes |contain |a |negative |charge? |- |CORRECT |ANSWER✔✔-Acidic |dyes
What |is |the |advantage |of |the |size |of |prokaryotes? |- |CORRECT |ANSWER✔✔-Their |small |size |
makes |it |so |they |have |a |rapid |growth |rate
Steps |used |for |a |gram |stain:
Correct Answers
Anton |van |Leeuwenhoek |- |CORRECT |ANSWER✔✔-Father |of |microbiology
Created |1st |magnifying |glass
Coined |the |term |'Animalcules'
Animalcules |- |CORRECT |ANSWER✔✔-First |term |used |to |describe |microorganisms
What |is |the |theory |of |Spontaneous |Generation? |- |CORRECT |ANSWER✔✔-Life |arises |
spontaneously |from |non-living |material |(abiogenesis)
Who |were |the |scientists |involved |in |the |theory |of |spontaneous |generation? |- |CORRECT |
ANSWER✔✔-Francesco |Redi |(meat |in |jars |experiment)
Louis |Pasteur |(Swan |Neck |Flask |experiment)
John |Tyndall |(found |heat |resistant |microbes) |
Ferdinand |Cohn |(discovered |endospores)
Robert |Koch |(discovered |anthrax |disease |by |spore |forming |bacteria)
What |were |the |structures |present |in |hay |infusions? |- |CORRECT |ANSWER✔✔-Heat |resistant |
microbes |called |endospores
Which |experiment |disproved |TSG |(theory |of |spontaneous |generation)? |- |CORRECT |
ANSWER✔✔-Louis |Pasteur |swan |neck |flask |experiment
, What |is |bioremediation? |- |CORRECT |ANSWER✔✔-The |use |of |microorganisms |to |clean |
pollution
How |do |viruses |grow? |- |CORRECT |ANSWER✔✔-They |cannot |reproduce |on |their |own. |The |
must |use |a |living |host |cell
What |does |the |resolving |power |of |a |microscope |do? |- |CORRECT |ANSWER✔✔-Distinguish |two |
objects |that |are |close |together
What |does |immersion |oil |do? |- |CORRECT |ANSWER✔✔-Increases |resolution |and |decreases |
light |refraction
Which |microscope |is |used |to |observe |a |specimen |at |the |atomic |level? |- |CORRECT |
ANSWER✔✔-Atomic |Force |Microscope |(1980)
What |does |positive |staining |do? |- |CORRECT |ANSWER✔✔-Contains |positive |charge |that |dyes |
the |cells
What |does |negative |staining |do? |- |CORRECT |ANSWER✔✔-Contains |negative |charge |that |dyes |
the |background
Which |dyes |contain |a |positive |charge? |- |CORRECT |ANSWER✔✔-Basic |dyes
Which |dyes |contain |a |negative |charge? |- |CORRECT |ANSWER✔✔-Acidic |dyes
What |is |the |advantage |of |the |size |of |prokaryotes? |- |CORRECT |ANSWER✔✔-Their |small |size |
makes |it |so |they |have |a |rapid |growth |rate
Steps |used |for |a |gram |stain:
