BSC 1010C Exam 3 Questions With Complete Solutions
A change in the coding region of a gene can lead to a new allele
for that gene. Which property of the protein, coded for by this
new allele, could be changed as a result? Correct Answers All
of the above
A reaction has a G of -5.6 kcal/mol. Which of the following
would most likely be true? Correct Answers The reaction would
proceed by itself, but it might be very slow
According to the induced fit hypothesis of enzyme catalysis,
_____. Correct Answers the binding of the substrate changes
the shape of the enzyme's active site
Allosteric enzyme regulation is usually associated with ____.
Correct Answers An enzyme with more than one subunit
Anabolic pathways ____. Correct Answers Consume energy to
build up polymers from monomers
Are most chemical reactions at equilibrium in living cells?
Correct Answers No
ATP synthase at the inner mitochondrial membrane makes ATP
and water, from ADP and phosphate, by coupling this to which
other process? Correct Answers Allowing H+ to move down its
electrochemical gradient
Biological evolution of life on Earth, from simple prokaryotic-
like cells to large, multi-cellular eukaryotic organisms, _____.
, Correct Answers Has occurred in accordance with the laws of
thermodynamics
Canine PFK deficiency afflicts Springer spaniels, affecting an
estimated 10% of the breed. Given its critical role in glycolysis,
one implication of the genetic defect resulting in PFK deficiency
in dogs is ___. Correct Answers An intolerance for exercise
Carotenoids are often found in foods that are considered to have
antioxidant properties in human nutrition. What related function
do they have in plants? Correct Answers They protect against
oxidative damange from excessive light energy.
Cellular respiration can best be described as ____. Correct
Answers Taking electrons from food and giving them to oxygen
to make water and using the energy released to drive ATP
formation
During aerobic respiration, which of the following directly
donates electrons to the ETC at the lowest energy level? Correct
Answers FADH2
During intense exercise, muscles lack sufficient oxygen, so
which process will these muscles mainly use? Correct Answers
Lactic acid fermentation
Energy is observed in two basic forms. Which of the following
correctly matches these forms with a source of energy? Correct
Answers The covalent bonds of a sugar molecule: potential
energy
A change in the coding region of a gene can lead to a new allele
for that gene. Which property of the protein, coded for by this
new allele, could be changed as a result? Correct Answers All
of the above
A reaction has a G of -5.6 kcal/mol. Which of the following
would most likely be true? Correct Answers The reaction would
proceed by itself, but it might be very slow
According to the induced fit hypothesis of enzyme catalysis,
_____. Correct Answers the binding of the substrate changes
the shape of the enzyme's active site
Allosteric enzyme regulation is usually associated with ____.
Correct Answers An enzyme with more than one subunit
Anabolic pathways ____. Correct Answers Consume energy to
build up polymers from monomers
Are most chemical reactions at equilibrium in living cells?
Correct Answers No
ATP synthase at the inner mitochondrial membrane makes ATP
and water, from ADP and phosphate, by coupling this to which
other process? Correct Answers Allowing H+ to move down its
electrochemical gradient
Biological evolution of life on Earth, from simple prokaryotic-
like cells to large, multi-cellular eukaryotic organisms, _____.
, Correct Answers Has occurred in accordance with the laws of
thermodynamics
Canine PFK deficiency afflicts Springer spaniels, affecting an
estimated 10% of the breed. Given its critical role in glycolysis,
one implication of the genetic defect resulting in PFK deficiency
in dogs is ___. Correct Answers An intolerance for exercise
Carotenoids are often found in foods that are considered to have
antioxidant properties in human nutrition. What related function
do they have in plants? Correct Answers They protect against
oxidative damange from excessive light energy.
Cellular respiration can best be described as ____. Correct
Answers Taking electrons from food and giving them to oxygen
to make water and using the energy released to drive ATP
formation
During aerobic respiration, which of the following directly
donates electrons to the ETC at the lowest energy level? Correct
Answers FADH2
During intense exercise, muscles lack sufficient oxygen, so
which process will these muscles mainly use? Correct Answers
Lactic acid fermentation
Energy is observed in two basic forms. Which of the following
correctly matches these forms with a source of energy? Correct
Answers The covalent bonds of a sugar molecule: potential
energy
