Bio 311C Sata Exam 3 Questions With Complete Solutions
A chemical inhibitor that blocks the initiation of DNA
replication is added to actively dividingcells. Most of the cells
would be found in their ____ phase of their cell cycle. Correct
Answers G1
A microtubule polymerization inhibitor, Colchicine is added to
actively growing cells. Most of the cells would be found with
their ______ phase arrested.
A) G1
B) S
C) G0
D) G2
E) M Correct Answers E) M
A reaction was started with 40 mM substrate and it reached
equilibrium in 2 hours.
At equilibrium, the product concentration was 30 mM. What is
the Keq in this reaction? Correct Answers 3
Acetyl CoA Formation Enzyme Correct Answers Pyruvate
dehydrogenase
Acetyl CoA Formation inputs Correct Answers Pyruvate, CoA,
NAD+
Acetyl CoA Formation Location Correct Answers cytoplasm to
matrix
,Acetyl CoA Formation Outputs Correct Answers CO2, Acetyl
CoA, NADH
Alcohol Fermentation input Correct Answers Glucose, ADP
and Pi
Alcohol Fermentation output Correct Answers Ethanol, CO2,
ATP
An enzyme was tested with two different substrates A and B
resulting in products X and Y. The Km for substrate A was 10
mM and the Km for substrate B was 100 mM. From this
information, we can say that Correct Answers substrate B is
less effective than substrate A to have same amount of products
formed
An enzyme was tested with two different substrates A and B
resulting in products X and Y. The Km for substrate A was 10
mM and the Km for substrate B was 100 mM. Which of the
following statement is correct?
A)
Substrate A is less effective than substrate B to have same
amount of products formed.
B)
Substrate B is less effective than substrate A to have same
amount of products formed.
C)
There is no difference between A and B in terms of products
formed.
,D)
X is produced less than Y with same amount of substrate used.
E)
Y is produced at same level as X with same amount of substrate
used. Correct Answers B)
Substrate B is less effective than substrate A to have same
amount of products formed.
an example of a catabolic reaction is Correct Answers lactate
fermentation
an example of a catabolic reaction is Correct Answers lactate
fermentation
ATP Hydrolysis yields 7.3 Kcal/mol free energy and it is
coupled with many enzyme reactions that would not otherwise
happen. Which of the following reaction can be coupled with
ATP hydrolysis to become a favorable or spontaneous reaction.
A reaction with a ΔG value of _______ Kcal/mol.
A)
-5.8
B)
4.3
C)
10.5
D)
-5.3
E)
7.3 Correct Answers B)
4.3
, ATP yields 7.3 kcal/mol of free energy and it is coupled with
many enzyme reactions that would not otherwise happen. Which
can be coupled with ATP hydrolysis to become a spontaneous
reaction? A reaction with a G value of _______? Correct
Answers 5
Bacteria divides every 20 minutes by binary fission.
How many bacteria will be produced from a single bacterium in
3 hours? Correct Answers 512
Bacteria typically have _______, whereas eukaryotes have
_______. Correct Answers one chromosome that is circular;
many chromosomes that are linear
C3 plants Correct Answers Calvan cycle, No c4 pathway,
During daytime, low water efficiency, Rice
C4 plants Correct Answers Calvan cycle, C4 pathway, During
the daytime, Med-High water efficiency, corn
CAM plants Correct Answers Calvan cycle (Daytime), C4
pathway (Nighttime, Both in mesophyll cell), High water
efficiency, cacti
CAM plants can keep stomata closed in daytime, reducing water
loss. This is possible because they ______________
A)
fix CO2 into organic acids during the night by PEP carboxylase
B)
use photosystems I and II during day and night.
A chemical inhibitor that blocks the initiation of DNA
replication is added to actively dividingcells. Most of the cells
would be found in their ____ phase of their cell cycle. Correct
Answers G1
A microtubule polymerization inhibitor, Colchicine is added to
actively growing cells. Most of the cells would be found with
their ______ phase arrested.
A) G1
B) S
C) G0
D) G2
E) M Correct Answers E) M
A reaction was started with 40 mM substrate and it reached
equilibrium in 2 hours.
At equilibrium, the product concentration was 30 mM. What is
the Keq in this reaction? Correct Answers 3
Acetyl CoA Formation Enzyme Correct Answers Pyruvate
dehydrogenase
Acetyl CoA Formation inputs Correct Answers Pyruvate, CoA,
NAD+
Acetyl CoA Formation Location Correct Answers cytoplasm to
matrix
,Acetyl CoA Formation Outputs Correct Answers CO2, Acetyl
CoA, NADH
Alcohol Fermentation input Correct Answers Glucose, ADP
and Pi
Alcohol Fermentation output Correct Answers Ethanol, CO2,
ATP
An enzyme was tested with two different substrates A and B
resulting in products X and Y. The Km for substrate A was 10
mM and the Km for substrate B was 100 mM. From this
information, we can say that Correct Answers substrate B is
less effective than substrate A to have same amount of products
formed
An enzyme was tested with two different substrates A and B
resulting in products X and Y. The Km for substrate A was 10
mM and the Km for substrate B was 100 mM. Which of the
following statement is correct?
A)
Substrate A is less effective than substrate B to have same
amount of products formed.
B)
Substrate B is less effective than substrate A to have same
amount of products formed.
C)
There is no difference between A and B in terms of products
formed.
,D)
X is produced less than Y with same amount of substrate used.
E)
Y is produced at same level as X with same amount of substrate
used. Correct Answers B)
Substrate B is less effective than substrate A to have same
amount of products formed.
an example of a catabolic reaction is Correct Answers lactate
fermentation
an example of a catabolic reaction is Correct Answers lactate
fermentation
ATP Hydrolysis yields 7.3 Kcal/mol free energy and it is
coupled with many enzyme reactions that would not otherwise
happen. Which of the following reaction can be coupled with
ATP hydrolysis to become a favorable or spontaneous reaction.
A reaction with a ΔG value of _______ Kcal/mol.
A)
-5.8
B)
4.3
C)
10.5
D)
-5.3
E)
7.3 Correct Answers B)
4.3
, ATP yields 7.3 kcal/mol of free energy and it is coupled with
many enzyme reactions that would not otherwise happen. Which
can be coupled with ATP hydrolysis to become a spontaneous
reaction? A reaction with a G value of _______? Correct
Answers 5
Bacteria divides every 20 minutes by binary fission.
How many bacteria will be produced from a single bacterium in
3 hours? Correct Answers 512
Bacteria typically have _______, whereas eukaryotes have
_______. Correct Answers one chromosome that is circular;
many chromosomes that are linear
C3 plants Correct Answers Calvan cycle, No c4 pathway,
During daytime, low water efficiency, Rice
C4 plants Correct Answers Calvan cycle, C4 pathway, During
the daytime, Med-High water efficiency, corn
CAM plants Correct Answers Calvan cycle (Daytime), C4
pathway (Nighttime, Both in mesophyll cell), High water
efficiency, cacti
CAM plants can keep stomata closed in daytime, reducing water
loss. This is possible because they ______________
A)
fix CO2 into organic acids during the night by PEP carboxylase
B)
use photosystems I and II during day and night.
