BCHM 307 HOMEWORK REVIEW TEST QUESTIONS WITH ALL CORRECT ANSWERS
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BCHM 307 HOMEWORK
Institution
BCHM 307 HOMEWORK
BCHM 307 HOMEWORK REVIEW TEST QUESTIONS WITH ALL CORRECT ANSWERS
Which of the following transport systems is used in the inner mitochondrial membrane? IMS = intermembrane space
a.
symport of ATP and Pi from IMS to matrix
b.
antiport of ADP from IMS to matrix and of ATP from matrix to IMS...
BCHM 307 HOMEWORK REVIEW
TEST QUESTIONS WITH ALL
CORRECT ANSWERS
Which of the following transport systems is used in the inner mitochondrial membrane?
IMS = intermembrane space
a.
symport of ATP and Pi from IMS to matrix
b.
antiport of ADP from IMS to matrix and of ATP from matrix to IMS
c.
antiport of ADP from IMS to matrix and Pi from matrix to IMS
d.
antiport of ATP from IMS to matrix and of ADP from matrix to IMS - Answer-b.
antiport of ADP from IMS to matrix and of ATP from matrix to IMS
The cytochromes undergo which of the following oxidation reactions?
a.
Fe3+ → Fe2+
b.
Fe2+ → Fe3+
c.
Cu2+ → Cu1+
d.
Cu1+ → Cu2+
e.
Fe0 → Fe2+ - Answer-b.
Fe2+ → Fe3+
Which of the following occurs when the catalytic subunit of ATP synthase is in the loose
state?
a.
ATP is released
b.
ATP is hydrolyzed
c.
ADP and Pi are released
d.
ADP and Pi are converted to ATP
, e.
ADP and Pi bind - Answer-e.
ADP and Pi bind
How many protons are moved across the inner mitochondrial membrane by Complex III
for each electron pair transferred?
a. 1
b. 2
c. 3
d. 4
e. 0 - Answer-d. 4
What enzyme catalyzes the major regulatory step of glycolysis?
a.
hexokinase
b.
aldolase
c.
glyceraldehyde-3-phosphate dehydrogenase
d.
phosphofructokinase
e.
phosphoglucose isomerase - Answer-d.
phosphofructokinase
Hexokinase is an example of a(n) _____ enzyme.
a.
isomerase
b.
hydrolase
c.
ligase
d.
ligase
e.
transferase - Answer-e.
transferase
Which enzyme is responsible for splitting a hexose into two trioses?
a.
enolase
b.
phosphoglycerate mutase
c.
phosphofructose isomerase
d.
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