Why is there an upper limit to the surface area-to-volume ratio in a cell?
a. The volume of the cell maximizes the use of phospholipids.
b. The surface area must be sufficient to provide adequate nutrient and waste exchange to sustain the chemical
activities of the cell.
c. The cells require a balance between endocytosis of precursor molecules to transporters in the membrane.
d. The size of a cell is limited by the number of mitochondria.
e. The organelles in cells require communication with the extracellular environment to support internal functions.
ANSWER: b
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