where do h+ ions accumulate in the mito chondria?
18 spaces 17th letter is c
cant figure it out?
Its a Crossword
inner membrane space
To determine where H+ ions accumulate in the mitochondria, we need to understand the process of chemiosmosis and the structure of the mitochondria.
Mitochondria have two membranes: the outer membrane and the inner membrane. The inner membrane is folded into structures called cristae, which increase the surface area inside the mitochondria. These cristae contain proteins responsible for electron transport and ATP synthesis.
During cellular respiration, H+ ions are pumped across the inner mitochondrial membrane, creating an electrochemical gradient. This process occurs during the electron transport chain, where electrons are transferred between complexes, releasing energy. As electrons move through these complexes, H+ ions are pumped against their concentration gradient from the matrix (inside the mitochondria) to the intermembrane space (between the inner and outer mitochondrial membranes).
The H+ ions accumulate in the intermembrane space as a result of this electron transport chain. This accumulation of H+ ions creates a high concentration of H+ ions in the intermembrane space compared to the matrix.
Finally, the H+ ions flow back into the matrix through ATP synthase, a protein complex embedded in the inner mitochondrial membrane. This movement of H+ ions through ATP synthase powers the synthesis of ATP. This process is known as chemiosmosis.
Now, let's address the second part of your question. Given the clue "18 spaces, 17th letter is c," we can determine the answer. Considering that "mitochondria" is the word in question, we count 18 letters (including spaces) and look for the 17th letter. The 17th letter is "c." Therefore, the answer to your question is the "intermembrane space."