WorksheetsOxidative Phosphorylation
Total questions: 20
Worksheet time: 10mins
Which of the following is NOT component in electron transport chain?
Cytochrome
Flavoprotein
Cytochrome c
ATP synthase
How many ATP molecules are produced during complete breakdown of glucose in a liver cell?
34
36
38
39
Which of the following statements are TRUE about the process that occurs in cristae?
I ATP is synthesized by ATP synthase on the inner membrane of mitochondrion
II FADH2 transfers its hydrogen atoms to the succinate dehydrogenase
III Formation of water molecule
IV Production of ATP in the electron transport chain is called oxidative phosphorylation
I, II and III
I, II and IV
I, III and IV
I, II, III and IV
What is the final product of the Electron Transport Chain?
ATP
NADH
FADH2
ADP
Which of the following gets pumped into the intermembrane space?
FADH2
O2
H+
NAD+
As electrons travel down the electron transport chain, they release
ADP
Energy
ATP
Hydrogen ion
Hydrogen ions are pumped from the __________ to the ___________.
matrix; intermembrane space
intermembrane space; matrix
matrix; cytoplasm
intermembrane; cytoplasm
The final electron acceptor in electron transport chain is
NAD+
FAD
Oxygen
Water
Cyanide is a metabolic poison that stops the electron transport chain by directly blocking the actions of
NAD+
NADH dehyrogenase
ATP sythase
Cytochrome oxidase
How many ATP produced for each NADH that enter the electron transport chain from Kreb's cycle?
1
2
3
4
How many ATP produced for each FADH2 that enter the electron transport chain from Kreb's cycle?
1
2
3
4
H+ move down their concentration gradient by ___________ back into the matrix.
osmosis
facilitated diffussion
simple diffusion
active transport
The effect of increased levels of hydrogen ions in the intermembrane space of the mitochondria is
Increase ATP production
Decreased levels of oxidative phosphorylation
Increased levels of water in intermembrane space
Decreased levels of chemiosmosis
Where does oxidative phosphorylation take place?
Cytosol
Matrix of mitochondria
Innermembrane of mitochondria
Intermembrane space of mitochondria
Which of the following is not a feature of oxidative phosphorylation?A.B.C.D.
Direct transfer of phosphate from a substrate molecule to ADP
An electrochemical gradient across the inner mitochondrial membrane
A membrane bound ATP synthase
A proton motive force
During electron transport, protons are pumped out of the mitochondrion at each of the major sites except for
NADH dehydrogenase
Succinate dehydrogenase
Cytochrome c reductase
Cytochrome c oxidase
What doe FADH2 and NADH bring to the electron transport chain?
Oxygen
Water
Electron
ATP
ATP synthesis by ATP synthase is driven by
H+ movement
electron movement
NADH movement
FADH2 movement
ATP synthase synthesis ATP and release ATP into
innermembrane of mitochonndria
matrix of mitochondria
intermembrane space of mitochondria
outermembrane of mitochondria
Which of the following is an electron donor for succinate dehydrogenase in electron transport chain?
NAD+
FADH2
NADH
FAD
