1) In liver cells, the inner mitochondrial membrane is about five times the surf
ID: 62757 • Letter: 1
Question
1) In liver cells, the inner mitochondrial membrane is about five times the surface area of the outer membrane. What purpose does this serve?
A) It increases the number of respiratory chains that the mitochondria can hold.
It allows for an increased rate of glycolysis.
C) It allows more area for the citric acid cycle to take place.
D) It gives a steady supply of electrons for ATP synthase to draw from
2) If you expose a cell that is carrying out cellular respiration to a radioactive oxygen gas, which of the following molecules would you expect to be radioactive at the end?
Water
B) ATP
C) Pyruvate
D) Carbon dioxide
A) It increases the number of respiratory chains that the mitochondria can hold.
B)It allows for an increased rate of glycolysis.
C) It allows more area for the citric acid cycle to take place.
D) It gives a steady supply of electrons for ATP synthase to draw from
Explanation / Answer
Q1) In liver cells, the inner mitochondrial membrane is about five times the surface area of the outer membrane. What purpose does this serve?
D) It gives a steady supply of electrons for ATP synthase to draw from.
Electron transport chain occurs in inner mitochondrial membrane.
Q2) If you expose a cell that is carrying out cellular respiration to a radioactive oxygen gas, which of the following molecules would you expect to be radioactive at the end?
A)
Water.
Oxygen is used in the electron transport chains during aerobic cellular respiration. Oxygen serves as an electron acceptor and it picks up spent H+in the chain. Ultimately, the oxygen will become part of water molecules produced in the electron transport chain.
D) It gives a steady supply of electrons for ATP synthase to draw from.
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