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WorksheetsYear 13 Bio - Periods 9-10
Total questions: 10
Worksheet time: 5mins
Where does oxidative phosphorylation take place?
Cytoplasm
Outer mitochondrial membrane
Inner mitochondrial membrane
Nucleus
What are the molecules that carry electrons in the electron transport chain called?
ATP synthases
Electron carriers
Protons
Oxygen
What happens to reduced NAD and reduced FAD when they enter the electron transport chain?
They are reduced.
They are oxidized.
They combine with carbon dioxide.
They form ATP directly.
What happens to the hydrogen atoms that are removed from reduced NAD and reduced FAD?
They form water.
They are split into protons (H$^+)andelectrons(e^-).
They are released as waste gas.
They are used to make glucose.
Where are the electron carriers located?
In the intermembrane space.
In the matrix of the mitochondrion.
In the inner mitochondrial membrane (cristae).
In the cytoplasm.
What is the final electron acceptor at the end of the electron transport chain?
Carbon dioxide
Hydrogen
Oxygen
ATP
What is formed when four electrons recombine with four protons and an oxygen molecule?
ATP
Carbon dioxide
Water
Glucose
What is the name of the enzyme that uses the energy from protons moving down their concentration gradient to synthesize ATP?
Electron carrier
ATP synthase
Oxidase
Dehydrogenase
According to Table 12.1, how many ATP molecules are made during oxidative phosphorylation?
2
4
28
32
Which stage of aerobic respiration produces the most ATP?
Glycolysis
Link reaction
Krebs cycle
Oxidative phosphorylation
