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BCHM 270 homework review Test| Quizzes and 100% Correct Verified Solutions
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BCHM 270 homework review Test|Quizzes and 100% Correct Verified
Solutions
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
In the malate-aspartate shuttle, _____ is reduced to _____ in the cytosol
A
aspartate; oxaloacetate
B
oxaloacetate; malate
c.
aspartate; malate
d.
malate; aspartate
e.
malate; oxaloacetate - Answer oxaloacetate; malate
How many cytochrome c molecules are oxidized by Complex IV for each molecule
of oxygen that is reduced?
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