Bio 260 Exam 1 chapters 1-3 Questions With
Correct Answers
The |study |of |Fungi |is |called?
Mycology
Name |the |three-domain |system?
Bacteria, |Archaea, |Eukarya
You |are |looking |at |a |white |cottony |growth |on |a |culture. |Microscopic |examination |reveals |it |is |
multicellular. |You |can |conclude |all |of |the |following |about |this |organism |EXCEPT |that |it
1. |has |cell |walls
2. |is |a |bacterium
3. |has |DNA |enclosed |in |a |nucleus
4. |absorbs |organic |nutrients
5. |is |eukarotic
(is |a |bacterium)
In |the |name |Escharichia |coli, |coli |is |the |________ |name.
Species
,A |unicellular |organism |which |lives |in |a |hot |sulfur |vent |on |the |ocean |floor |and |lacks |
peptidoglycan |in |it's |cell |wall |would |belong |to |the |domain?
Archaea
According |to |the |rRNA |analysis |in |the |"universal" |tree |of |life, |plants |are |more |closely |related?
animals
According |to |the |rRNA |analysis |in |the |"universal" |tree |of |life, |animals |are |more |closely |related |
to |archaea |than |bacteria
True
the |man |who |is |credited |with |first |describing |living |microorganisms |is?
Anton |van |Leeuwenhoek
Bacteria |can |communicate |with |each |other |through |a |process |called |quorum |sensing. |In |the |
video |"Animated |Life: |Seeing |the |Invisible" |when |Vibrio |harvyi |bacteria |reached |a |critical |
number, |they |all
glowed |in |the |dark
There |are |many |more |microbes |living |in |and |on |our |bodies |than |there |are |human |cells.
, True
Some |bacteria |stain |Gram-positive |and |others |stain |Gram-negative |due |to |differences |in |the |
structure |of |their.
Cell |wall
Of |the |following, |which |one |is |not |found |in |prokaryotic |cells?
mitochondria
The |semipermeable |structure |controlling |the |transport |of |materials |between |the |cell |and |its |
external |environment |is |the
plasma |membrane
Circular |molecules |of |extrachromosomal |DNA |are |also |called
plasmids
When |placed |into |a |hypertonic |solution |(higher |concentration |of |solutes |than |inside |the |cell), |
a |bacterial |cell |will:
shrink
Which |of |the |following |statements |is |True?
Correct Answers
The |study |of |Fungi |is |called?
Mycology
Name |the |three-domain |system?
Bacteria, |Archaea, |Eukarya
You |are |looking |at |a |white |cottony |growth |on |a |culture. |Microscopic |examination |reveals |it |is |
multicellular. |You |can |conclude |all |of |the |following |about |this |organism |EXCEPT |that |it
1. |has |cell |walls
2. |is |a |bacterium
3. |has |DNA |enclosed |in |a |nucleus
4. |absorbs |organic |nutrients
5. |is |eukarotic
(is |a |bacterium)
In |the |name |Escharichia |coli, |coli |is |the |________ |name.
Species
,A |unicellular |organism |which |lives |in |a |hot |sulfur |vent |on |the |ocean |floor |and |lacks |
peptidoglycan |in |it's |cell |wall |would |belong |to |the |domain?
Archaea
According |to |the |rRNA |analysis |in |the |"universal" |tree |of |life, |plants |are |more |closely |related?
animals
According |to |the |rRNA |analysis |in |the |"universal" |tree |of |life, |animals |are |more |closely |related |
to |archaea |than |bacteria
True
the |man |who |is |credited |with |first |describing |living |microorganisms |is?
Anton |van |Leeuwenhoek
Bacteria |can |communicate |with |each |other |through |a |process |called |quorum |sensing. |In |the |
video |"Animated |Life: |Seeing |the |Invisible" |when |Vibrio |harvyi |bacteria |reached |a |critical |
number, |they |all
glowed |in |the |dark
There |are |many |more |microbes |living |in |and |on |our |bodies |than |there |are |human |cells.
, True
Some |bacteria |stain |Gram-positive |and |others |stain |Gram-negative |due |to |differences |in |the |
structure |of |their.
Cell |wall
Of |the |following, |which |one |is |not |found |in |prokaryotic |cells?
mitochondria
The |semipermeable |structure |controlling |the |transport |of |materials |between |the |cell |and |its |
external |environment |is |the
plasma |membrane
Circular |molecules |of |extrachromosomal |DNA |are |also |called
plasmids
When |placed |into |a |hypertonic |solution |(higher |concentration |of |solutes |than |inside |the |cell), |
a |bacterial |cell |will:
shrink
Which |of |the |following |statements |is |True?
