Option (B) is correct. Specialized proteins in the inner membrane establish a gradient in the concentration of hydrogen ions between the intermembrane space and the matrix.
The three membrane complexes that make up the mitochondrial membrane are where the hydrogen ion gradient is produced. The mitochondrial electron transport chain animation depicts that procedure. Across the ATP synthase membrane protein, hydrogen ions diffuse through the inner membrane. Hydrogen ions (from NADH and FADH2) are pumped over the inner membrane and into the intermembrane gap using this energy.
The enzyme ATP synthase uses this potential to move hydrogen ions into the matrix and produce ATP. Across carrier-facilitated diffusion and diffusion through the outer membrane, the ATP generated during this process is taken out of the mitochondrial matrix. Some of the high-energy electrons' energy is caught as they move along the chains.
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Correct Question:
The figure above shows an organelle typically found in eukaryotic cells. Which of the following best describes the function of the double membrane system of this organelle?
A The outer membrane allows the transport of all molecules into the intermembrane space, while the inner membrane serves as the regulatory boundary.
B The inner membrane has specialized proteins that create a hydrogen ion concentration gradient between the intermembrane space and the matrix.
C The outer membrane contains transport proteins that establish a sodium ion concentration gradient used for ATP production, while the inner membrane contains transport proteins that establish a hydrogen ion concentration gradient used for glucose production.
D The toxins and wastes entering a cell cross the outer membrane and are detoxified by digestive enzymes stored within the intermembrane space.
