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Why is it necessary for glucose to be pumped into the cell rather than diffusing in?

Respuesta :

Erudite1
Because, glucose can not be moved into cell through diffusion process. Movement of glucose into the cell is an active transport that needs energy due to the fact that the movement of glucose molecule is against the existing concentration gradients.  
scme1702
The need to pump glucose into the cell arises due to the lower concentration of glucose within the cell as compared to outside the cell.

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