2. Ionophores because they are class of proteins that move cell membranes. They are small, hydrophobic molecules that increase a cell's permeability to certain ions.
Fluid balance is roughly equivalent to the water balance in the human body.
Answer:
It is also one of the world's most important commercial waterways and one of North America's great migration routes for both birds and fishes. Native Americans lived along its banks and used the river for sustenance and transportation.
Explanation:
Cytoplasm maintains the internal pressure in the cell.
I believe it is D) heliocentric !