BS 161 MSU Exam 1 with verified
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answers
1. |Based |on |the |primer |on |scale |and |approximation, |the |length |of |a |ribosome |is |approximately
|____ |orders |of |magnitude |smaller |than |the |length |of |a |eukaryotic |cell |and |approximately |
____ |orders |of |magnitude |larger |than |the |length |of |an |amino |acid.
a. |3, |2
b. |100, |10
c. |1, |5
d. |0,1 |- |correct |answers |a. |3, |2
Translation |is |the |process |by |which:
a. |proteins |are |synthesized |from |DNA |molecules.
b. |RNA |is |synthesized |from |protein.
c. |RNA |is |synthesized |from |DNA.
d. |DNA |is |synthesized |from |protein.
e. |proteins |are |synthesized |from |RNA |molecules. |- |correct |answers |e. |proteins |are |synthesized |
from |RNA |molecules.
All |organisms |use |which |of |the |following |molecules |to |carry |out |cellular |work |such |as |growth |
and |moving |substances?
a. |membranes
b. |DNA
c. |ATP
,d. |RNA
e. |None |of |the |above |- |correct |answers |c. |ATP
A |major |difference |between |eukaryotic |cells |and |prokaryotic |cells |is |that:
a. |neither |eukaryotic |cells |nor |prokaryotic |cells |have |a |nucleus.
b. |both |eukaryotic |cells |and |prokaryotic |cells |have |a |nucleus.
c. |prokaryotic |cells |have |a |nucleus |and |eukaryotic |cells |do |not.
d. |eukaryotic |cells |have |a |nucleus |and |prokaryotic |cells |do |not. |- |correct |answers |d. |eukaryotic
|cells |have |a |nucleus |and |prokaryotic |cells |do |not.
True |or |False: |
Observations |allow |scientists |to |draw |tentative |explanations |called |hypotheses. |- |correct |
answers |True
Which |of |the |following |is |NOT |a |key |feature |of |individual |cells?
a. |the |presence |of |a |plasma |membrane
b. |the |ability |to |store |and |transit |information |using |nucleic |acids
c. |the |presence |of |a |nucleus
d. |the |ability |to |harvest |and |transform |energy |from |the |environment |- |correct |answers |c. |the |
presence |of |a |nucleus
, Nucleic |acids |are |important |information |storage |molecules |present |in |virtually |every |cell. |
Which |of |the |following |process |are |carried |out |by |a |cell |when |it |accesses |that |information |in |
the |DNA |of |the |genes?
a. |DNA |replication |and |translation
b. |DNA |replication |and |transcription
c. |transcription |and |translation |- |correct |answers |c. |transcription |and |translation
The |energy |before |a |chemical |reaction |and |the |energy |after |a |chemical |reaction |is |the |same. |
This |is |an |example |of:
a. |The |second |law |of |thermodynamics |
b. |The |first |law |of |thermodynamics
c. |The |scientific |method
d. |Evolution |by |natural |selection |- |correct |answers |b. |The |first |law |of |thermodynamics
If |you |were |to |compare |the |entropy |of |a |dog |to |that |of |a |bucket |of |water, |which |of |the |
following |statement |would |be |TRUE?
a. |The |entropy |of |the |bucket |of |water |and |the |entropy |of |the |dog |would |be |equal.
b. |The |entropy |of |the |dog |would |be |greater.
c. |The |entropy |of |the |bucket |of |water |would |be |greater. |- |correct |answers |c. |The |entropy |of |
the |bucket |of |water |would |be |greater.
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answers
1. |Based |on |the |primer |on |scale |and |approximation, |the |length |of |a |ribosome |is |approximately
|____ |orders |of |magnitude |smaller |than |the |length |of |a |eukaryotic |cell |and |approximately |
____ |orders |of |magnitude |larger |than |the |length |of |an |amino |acid.
a. |3, |2
b. |100, |10
c. |1, |5
d. |0,1 |- |correct |answers |a. |3, |2
Translation |is |the |process |by |which:
a. |proteins |are |synthesized |from |DNA |molecules.
b. |RNA |is |synthesized |from |protein.
c. |RNA |is |synthesized |from |DNA.
d. |DNA |is |synthesized |from |protein.
e. |proteins |are |synthesized |from |RNA |molecules. |- |correct |answers |e. |proteins |are |synthesized |
from |RNA |molecules.
All |organisms |use |which |of |the |following |molecules |to |carry |out |cellular |work |such |as |growth |
and |moving |substances?
a. |membranes
b. |DNA
c. |ATP
,d. |RNA
e. |None |of |the |above |- |correct |answers |c. |ATP
A |major |difference |between |eukaryotic |cells |and |prokaryotic |cells |is |that:
a. |neither |eukaryotic |cells |nor |prokaryotic |cells |have |a |nucleus.
b. |both |eukaryotic |cells |and |prokaryotic |cells |have |a |nucleus.
c. |prokaryotic |cells |have |a |nucleus |and |eukaryotic |cells |do |not.
d. |eukaryotic |cells |have |a |nucleus |and |prokaryotic |cells |do |not. |- |correct |answers |d. |eukaryotic
|cells |have |a |nucleus |and |prokaryotic |cells |do |not.
True |or |False: |
Observations |allow |scientists |to |draw |tentative |explanations |called |hypotheses. |- |correct |
answers |True
Which |of |the |following |is |NOT |a |key |feature |of |individual |cells?
a. |the |presence |of |a |plasma |membrane
b. |the |ability |to |store |and |transit |information |using |nucleic |acids
c. |the |presence |of |a |nucleus
d. |the |ability |to |harvest |and |transform |energy |from |the |environment |- |correct |answers |c. |the |
presence |of |a |nucleus
, Nucleic |acids |are |important |information |storage |molecules |present |in |virtually |every |cell. |
Which |of |the |following |process |are |carried |out |by |a |cell |when |it |accesses |that |information |in |
the |DNA |of |the |genes?
a. |DNA |replication |and |translation
b. |DNA |replication |and |transcription
c. |transcription |and |translation |- |correct |answers |c. |transcription |and |translation
The |energy |before |a |chemical |reaction |and |the |energy |after |a |chemical |reaction |is |the |same. |
This |is |an |example |of:
a. |The |second |law |of |thermodynamics |
b. |The |first |law |of |thermodynamics
c. |The |scientific |method
d. |Evolution |by |natural |selection |- |correct |answers |b. |The |first |law |of |thermodynamics
If |you |were |to |compare |the |entropy |of |a |dog |to |that |of |a |bucket |of |water, |which |of |the |
following |statement |would |be |TRUE?
a. |The |entropy |of |the |bucket |of |water |and |the |entropy |of |the |dog |would |be |equal.
b. |The |entropy |of |the |dog |would |be |greater.
c. |The |entropy |of |the |bucket |of |water |would |be |greater. |- |correct |answers |c. |The |entropy |of |
the |bucket |of |water |would |be |greater.
