CELL RESPIRATION
OXIDATIVE PHOSPHORYLATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
The outer mitochondrial membrane
|
|
|
ATP Synthase
|
|
|
A series of electron carriers
|
|
|
None of the above
|
Detailed explanation-1: -Hydrogen ions in the matrix space can only pass through the inner mitochondrial membrane through a membrane protein called ATP synthase. As protons move through ATP synthase, ADP is turned into ATP. The production of ATP using the process of chemiosmosis in mitochondria is called oxidative phosphorylation.
Detailed explanation-2: -As H +start superscript, plus, end superscript ions flow down their gradient and back into the matrix, they pass through an enzyme called ATP synthase, which harnesses the flow of protons to synthesize ATP.
Detailed explanation-3: -The upper part of the ATP synthase complex rotates when a new hydrogen ion enters. Once three protons have entered the matrix space, there is enough energy in the ATP synthase complex to synthesize one ATP. In this way, the energy in the hydrogen ion gradient is used to make ATP.
Detailed explanation-4: -The hydrogen ions come from water molecules that are broken down in the mitochondria. 2. The higher concentration of H+ ions is on the side of the inner mitochondrial membrane that faces the cytoplasm.