Answer:Action potentials result from the depolarization of the cell membrane (the sarcolemma), which opens voltage-sensitive sodium channels; these become inactivated and the membrane is repolarized through the outward current of potassium ions.
its 'b'
Explanation:
Is the process by which a double-stranded DNA<span> molecule is copied to produce two identical </span>DNA <span>molecules. </span>
B) Rust, because it has tightly arranged hyphae
