Osmosis describes the movement of water across a biological membrane and down its concentration gradient.In chemiosmosis, useful energy is harnessed by the cell from the movement of across the inner mitochondrial membrane into the matrix a concentration gradient.

Question

Osmosis describes the movement of water across a biological membrane and down its concentration gradient.In chemiosmosis, useful energy is harnessed by the cell from the movement of __________ across the inner mitochondrial membrane into the matrix __________ a concentration gradient.