According to the well known theory of transport of solutes across a cell membrane, what happens when sugar is passed through it

Options

A. `Na^(+)` flows in the direction of the sugar
B. `Na^(+)` flows independent of sugar molecules
C. `Na^(+)` flows against the sugar molecules
D. `Na^(+)` ions do not flow at all

Answer

A

Explanation

The movement of solute against the concentration gradient by using symport with . `Na^(+)` i.e. movement of molecules in the same direction.