Answer:
It is the reason the sky is blue
Explanation:
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Iron deficiency can cause depression, due to fatigue and a poor appetite.<span />
To complete the statement above:
Ions are transported across membranes using channel-mediated facilitated diffusion; which requires <span>kinetic energy.
The channels can be opened by the requirements of the cell. Transmembrane proteins, called transporters, utilize the vitality of ATP to drive particles or little atoms through the layer against their focus angle.
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