The substance polysaccharide must be taken into the cell by the structure above labeled 3 because it is too large to pass through the cell membrane. Thus, the correct option is C.
What is the cell membrane?
A Cell membrane may be defined as a biological membrane that typically separates the inner environment of the cell with respect to the outside. It generally protects the cell from any external damage.
Being very large organic compounds, polysaccharides take large space to pass through the cell membrane. Polysaccharides are made up of three or more subunits of sugar.
The elements like sodium and potassium usually occur due to the presence of sodium-potassium pumps. While glucose is transported into the cell with the help of glut transporters.
Therefore, the substance polysaccharide must be taken into the cell by the structure above labeled 3 because it is too large to pass through the cell membrane. Thus, the correct option is C.
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