i think the correct answer is B considering that the channels are not always open for the protons to freely diffuse through the inner membrane.
Explanation:
One of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome is allele.
Answer:
A covalent bond.
Explanation:
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
