Bio 151 Exam 3 questions with answers
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A double-stranded DNA molecule can be separated into single
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strands by heating it to 90 degrees C because ________. -
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CORRECT ANSWERS ✔✔heat disrupts hydrogen bonding between
|\ |\ |\ |\ |\ |\ |\
complementary nucleotides |\
Each unique DNA molecule melts at a different temperature. In
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
this context, melting temperature is at the point which two
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
strands separate or become denatured. Which DNA sequence
|\ |\ |\ |\ |\ |\ |\ |\
listed below would have the highest Tm? - CORRECT ANSWERS
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✔✔GGCGCACC
Cellular respiration releases energy. In cellular respiration -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔the chemical potential energy stored in
|\ |\ |\ |\ |\ |\ |\ |\
organic molecules is converted to chemical energy that can be
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
used to do the work of the cell
|\ |\ |\ |\ |\ |\ |\
During photosynthesis, __________ is reduced to ________. -
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CORRECT ANSWERS ✔✔carbon dioxide; glucose|\ |\ |\ |\
Following the citric acid cycle but before the electron transport
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
chain and oxidative phosphorylation, most of the energy from the
|\ |\ |\ |\ |\ |\ |\ |\ |\
original glucose molecule is found in - CORRECT ANSWERS
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✔✔NADH
, During gel electrophoresis, DNA fragments - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔travel through a matrix containing a microscopic network of
|\ |\ |\ |\ |\ |\ |\ |\ |\
pores
Glycolysis is a series of chemical reactions by which the cell can
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
obtain ATP. NAD+ plays a crucial role in the reactions of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
glycolysis by: - CORRECT ANSWERS ✔✔accepting electrons from
|\ |\ |\ |\ |\ |\ |\ |\
glucose so that glucose gets partially oxidized to pyruvate
|\ |\ |\ |\ |\ |\ |\ |\
The pH in the intermembrane space of the mitochondria should
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
be _______ compared to the matrix due to the ______. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔lower; higher concentration of H+ in the
|\ |\ |\ |\ |\ |\ |\ |\
intermembrane space |\
How would you characterize the process of fermentation -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔A useful process in the production of
|\ |\ |\ |\ |\ |\ |\ |\ |\
alcohol
Arrange the steps in the Calvin cycle in order form earliest to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
latest - CORRECT ANSWERS ✔✔Carboxylation, reduction,
|\ |\ |\ |\ |\ |\
regeneration
Photorespiration results in - CORRECT ANSWERS ✔✔The |\ |\ |\ |\ |\ |\ |\
consumption of ATP |\ |\
The loss of CO2
|\ |\ |\
The pH in the stroma of the chloroplast should be ___________
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
compared to the thylakoids due to the ____________ - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
|\ |\ |\ |\ |\ |\
A double-stranded DNA molecule can be separated into single
|\ |\ |\ |\ |\ |\ |\ |\ |\
strands by heating it to 90 degrees C because ________. -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔heat disrupts hydrogen bonding between
|\ |\ |\ |\ |\ |\ |\
complementary nucleotides |\
Each unique DNA molecule melts at a different temperature. In
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
this context, melting temperature is at the point which two
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
strands separate or become denatured. Which DNA sequence
|\ |\ |\ |\ |\ |\ |\ |\
listed below would have the highest Tm? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔GGCGCACC
Cellular respiration releases energy. In cellular respiration -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔the chemical potential energy stored in
|\ |\ |\ |\ |\ |\ |\ |\
organic molecules is converted to chemical energy that can be
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
used to do the work of the cell
|\ |\ |\ |\ |\ |\ |\
During photosynthesis, __________ is reduced to ________. -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔carbon dioxide; glucose|\ |\ |\ |\
Following the citric acid cycle but before the electron transport
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
chain and oxidative phosphorylation, most of the energy from the
|\ |\ |\ |\ |\ |\ |\ |\ |\
original glucose molecule is found in - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔NADH
, During gel electrophoresis, DNA fragments - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔travel through a matrix containing a microscopic network of
|\ |\ |\ |\ |\ |\ |\ |\ |\
pores
Glycolysis is a series of chemical reactions by which the cell can
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
obtain ATP. NAD+ plays a crucial role in the reactions of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
glycolysis by: - CORRECT ANSWERS ✔✔accepting electrons from
|\ |\ |\ |\ |\ |\ |\ |\
glucose so that glucose gets partially oxidized to pyruvate
|\ |\ |\ |\ |\ |\ |\ |\
The pH in the intermembrane space of the mitochondria should
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
be _______ compared to the matrix due to the ______. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔lower; higher concentration of H+ in the
|\ |\ |\ |\ |\ |\ |\ |\
intermembrane space |\
How would you characterize the process of fermentation -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔A useful process in the production of
|\ |\ |\ |\ |\ |\ |\ |\ |\
alcohol
Arrange the steps in the Calvin cycle in order form earliest to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
latest - CORRECT ANSWERS ✔✔Carboxylation, reduction,
|\ |\ |\ |\ |\ |\
regeneration
Photorespiration results in - CORRECT ANSWERS ✔✔The |\ |\ |\ |\ |\ |\ |\
consumption of ATP |\ |\
The loss of CO2
|\ |\ |\
The pH in the stroma of the chloroplast should be ___________
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
compared to the thylakoids due to the ____________ - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
