Question

(b)
Amount of lipids in cell membrane is:
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Answer 1

Answer:

Lipid—that is, fatty—molecules constitute about 50% of the mass of most animal cell membranes, nearly all of the remainder being protein. There are approximately 5 × 106 lipid molecules in a 1 μm × 1 μm area of lipid bilayer, or about 109 lipid molecules in the plasma membrane of a small animal cell.

Answer 2

5×10⁶

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