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the transport of dissolved substances into cells to be used by the cells is
Red Blood cells transport oxygen to the cells, and they then take carbon dioxide from the cells.
Active transport and passive transport.
none
The cell membrane has one function in all cells. It controls what enters and leaves the cell and helps to regulate transport between cells.
There are glucose transport proteins. Since there are fewer glucose particles in the cell (when compared to the fluid outside of cells), it is passive transport, which occurs naturally. The transport protein is necessary for the glucose to pass through the cell membrane.
red blood cells
Endocytosis moves into cell Exocytosis moves out of cells ...
the white blood cells
cell size rate of growth number of nuclei efficency of cell's transport of oxygen efficiency of cell's transport of nutrients
It is not a cell, but a required action a cell takes. It is called the passive transport.
Both cell linings does active transport. Epitelial cells in root active transport nutrient such as ions into the root whereas epithelium cells in the small intestines.