When a living cell doubles in diameter,the amount of its material to be nourished is multiplied by eight,but the amount of membrane through which to feed it is multiplied by
A)2)
B)4)
C)8)
D)more than 8.

Question

Quizplus · Accepted Answer

When a cell doubles in diameter, its volume is multiplied by 8 (2^3) but its surface area is only multiplied by 4 (2^2). This means that the amount of membrane through which the cell needs to be nourished is only multiplied by 4, not 8. Therefore, the best choice is B.

When a Living Cell Doubles in Diameter,the Amount of Its