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Cellular Respiration Part 2 Concept Review
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by John Lundy
| 10 Questions
Note from the author:
A review assignment examining the electron transport chain, chemiosmotic gradients and anaerobic forms of respiration
Figure 7.11 ATP synthase is a complex, molecular machine that uses a proton (H+) gradient to form ATP from
ADP and inorganic phosphate (Pi). (Credit: modification of work by Klaus Hoffmeier)
4
1 pt
Chemiosmosis involves ________.
a. the movement of electrons across the cell
membrane
b. the movement of hydrogen atoms across a
mitochondrial membrane
c. the movement of hydrogen ions across a
mitochondrial membrane
d. the movement of glucose through the cell
membrane
5
1 pt
Which of the following fermentation methods can
occur in animal skeletal muscles?

a. lactic acid fermentation
b. alcohol fermentation
c. mixed acid fermentation
d. propionic fermentation
6
1 pt
Beta-oxidation is ________.
a. the breakdown of sugars
b. the assembly of sugars
c. the breakdown of fatty acids
d. the removal of amino groups from amino acids
7
1 pt
he control of which enzyme exerts the most control
on glycolysis?
a. hexokinase
b. phosphofructokinase
c. glucose-6-phosphatase
d. aldolase
10
1 pt
Why might negative feedback mechanisms be more
common than positive feedback mechanisms in living
cells?

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