question_answer

According to the well-known theory of transport of solutes across a cell membrane, what happens when sugar is passed through it [CBSE PMT 1992]

A) \[N{{a}^{+}}\]flows in the direction of the sugar

B) \[N{{a}^{+}}\]flows independent of sugar molecules

C) \[N{{a}^{+}}\]flows against the sugar molecules

D) \[N{{a}^{+}}\]ions do not flow at all