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Generally prokaryotic cells and eukaryotic cells only differ in size by about a

ID: 32655 • Letter: G

Question

Generally prokaryotic cells and eukaryotic cells only differ in size by about a factor of 10. Complete the following statements to explain why larger organisms do not have much larger cells than smaller organisms.

(Larger, smaller) cells have a greater ratio of surface area to volume. The larger surface area of (smaller, larger) cells allow more rapid exhcange of nutrients and other materials across the cell boundary.

Therefore, (availability of phospholipids, metabolic requirements, or gravitational effects) set an upper limjit to the effective size of a cell.

***Pick one answer in the parenthesis. thanks!!!

Explanation / Answer

smaller cells have larger surface to volume ratio. The larger surface area of smaller cells allows more rapid exchange of nutrients and other materials across the cell boundary.

therefore metabolic requirements set an upper limit to size of cell