BSCI330 Final Exam Questions With
Correct Answers
Which of the following would allow you to visualize the internal
| | | | | | | | | | |
structure of a mitochondrion with the highest level of resolution?
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A: Visible light microscopy
| | |
B: Confocal fluorescence microscopy
| | |
C: Transmission electron microscopy
| | |
D: Scanning electron microscopy - CORRECT ANSWER✔✔-C:
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Transmission electron microscopy | |
Oxidative metabolism of glucose includes both substrate-level
| | | | | | |
phosphorylation and oxidative phosphorylation. Which of the following
| | | | | | | |
is a property of oxidative phosphorylation, but NOT substrate-level
| | | | | | | | |
phosphorylation?
A: ATP synthesis is coupled to a highly exergonic reaction.
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B: ATP synthesis is generated by transfer of a phosphate from another
| | | | | | | | | | | |
organic molecule to ADP
| | |
C: The energy for ATP synthesis is derived from redox reactions
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,D: ATP is generated by directly attaching inorganic phosphate to ADP. -
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CORRECT ANSWER✔✔-C: The energy for ATP synthesis is derived from
| | | | | | | | | |
redox reactions.
|
Which of the following lipids would be found mostly on the extracellular
| | | | | | | | | | |
leaflet of a typical (non-apoptotic) eukaryotic cell's plasma membrane?
| | | | | | | | |
A: Phosphatidylcholine
|
B: Phosphatidylinositol
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C: Phosphatidylserine
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D: All of the above - CORRECT ANSWER✔✔-A: Phosphatidylcholine
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Which of the following modificiations does NOT occur in the Golgi
| | | | | | | | | | |
apparatus?
A: Addition of O-linked carbohydrates
| | | |
B: Addition of a mannose-6-phosphate ring
| | | | |
C: Ubiquitylation of lysines
| | |
D: Proteolytic trimming - CORRECT ANSWER✔✔-C: Ubiquitylation of
| | | | | | | |
lysines
Which of the following could allow an otherwise non-spontaneous
| | | | | | | | |
reaction to take place in a cell?
| | | | | |
, A: Decreasing reactant concentration
| | |
B: Increasing product concentration
| | |
C: Coupling the reaction to the hydrolysis of ATP
| | | | | | | |
D: Having an enzyme catalyze the reaction - CORRECT ANSWER✔✔-C:
| | | | | | | | | |
Coupling the reaction to the hydrolysis of ATP
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Many gene regulatory proteins or transcription factors act as dimers.
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Which of the following is NOT a direct result of this?
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A: Sequence recognition can occur on two adjacent major grooves.
| | | | | | | | |
B: The recognized sequences are typically palindromes.
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C: Transcription factors can be regulated by cellular localization.
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D: The length of sequence recognized on genomic DNA can be doubled -
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CORRECT ANSWER✔✔-C: Transcription factors can be regulated by
| | | | | | | | |
cellular localization.
|
Which of the following is NOT an advantage of metabolic cycles?
| | | | | | | | | |
A: Multiple entry points for alternative metabolic substrates
| | | | | | |
B: Productions of intermediate metabolites that can be used by the cell
| | | | | | | | | | | |
for other purposes.
| |
Correct Answers
Which of the following would allow you to visualize the internal
| | | | | | | | | | |
structure of a mitochondrion with the highest level of resolution?
| | | | | | | | |
A: Visible light microscopy
| | |
B: Confocal fluorescence microscopy
| | |
C: Transmission electron microscopy
| | |
D: Scanning electron microscopy - CORRECT ANSWER✔✔-C:
| | | | | | |
Transmission electron microscopy | |
Oxidative metabolism of glucose includes both substrate-level
| | | | | | |
phosphorylation and oxidative phosphorylation. Which of the following
| | | | | | | |
is a property of oxidative phosphorylation, but NOT substrate-level
| | | | | | | | |
phosphorylation?
A: ATP synthesis is coupled to a highly exergonic reaction.
| | | | | | | | |
B: ATP synthesis is generated by transfer of a phosphate from another
| | | | | | | | | | | |
organic molecule to ADP
| | |
C: The energy for ATP synthesis is derived from redox reactions
| | | | | | | | | |
,D: ATP is generated by directly attaching inorganic phosphate to ADP. -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-C: The energy for ATP synthesis is derived from
| | | | | | | | | |
redox reactions.
|
Which of the following lipids would be found mostly on the extracellular
| | | | | | | | | | |
leaflet of a typical (non-apoptotic) eukaryotic cell's plasma membrane?
| | | | | | | | |
A: Phosphatidylcholine
|
B: Phosphatidylinositol
|
C: Phosphatidylserine
|
D: All of the above - CORRECT ANSWER✔✔-A: Phosphatidylcholine
| | | | | | | |
Which of the following modificiations does NOT occur in the Golgi
| | | | | | | | | | |
apparatus?
A: Addition of O-linked carbohydrates
| | | |
B: Addition of a mannose-6-phosphate ring
| | | | |
C: Ubiquitylation of lysines
| | |
D: Proteolytic trimming - CORRECT ANSWER✔✔-C: Ubiquitylation of
| | | | | | | |
lysines
Which of the following could allow an otherwise non-spontaneous
| | | | | | | | |
reaction to take place in a cell?
| | | | | |
, A: Decreasing reactant concentration
| | |
B: Increasing product concentration
| | |
C: Coupling the reaction to the hydrolysis of ATP
| | | | | | | |
D: Having an enzyme catalyze the reaction - CORRECT ANSWER✔✔-C:
| | | | | | | | | |
Coupling the reaction to the hydrolysis of ATP
| | | | | | |
Many gene regulatory proteins or transcription factors act as dimers.
| | | | | | | | | |
Which of the following is NOT a direct result of this?
| | | | | | | | | |
A: Sequence recognition can occur on two adjacent major grooves.
| | | | | | | | |
B: The recognized sequences are typically palindromes.
| | | | | |
C: Transcription factors can be regulated by cellular localization.
| | | | | | | |
D: The length of sequence recognized on genomic DNA can be doubled -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-C: Transcription factors can be regulated by
| | | | | | | | |
cellular localization.
|
Which of the following is NOT an advantage of metabolic cycles?
| | | | | | | | | |
A: Multiple entry points for alternative metabolic substrates
| | | | | | |
B: Productions of intermediate metabolites that can be used by the cell
| | | | | | | | | | | |
for other purposes.
| |
