Channel proteins facilitate the transport of molecules by active transport.
(a) true
(b) false

b. False

Explanation:

Channel proteins use passive transport, that is, they do not require energy such as ATP for transporting molecules.

eukarya because is is like alche and b is bacteria and d is animals

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.