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Cellular Respiration Part 2 Concept Review
By John Lundy
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Last updated about 8 years ago
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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)
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 10
10.
Why might negative feedback mechanisms be more
common than positive feedback mechanisms in living
cells?
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
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
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
he control of which enzyme exerts the most control
on glycolysis?
a. hexokinase
b. phosphofructokinase
c. glucose-6-phosphatase
d. aldolase
