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19-08-2022
Biology

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Who was/were the first to propose that cell membranes are phospholipid bilayers? a) h. davson and j. danielli b) i. langmuir c) c. overton d) s. singer and g. nicolson e) e. gorter and f. grendel

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tutorconsortium31 tutorconsortium31

27-08-2022

Cell membranes are first proposed to be composed of phospholipid bilayers by Singer and G. Nicolson.

What do you mean by cell membrane ?

A cell membrane, often referred to as a plasma membrane, is present in every cell and serves as a barrier between the interior of the cell and the outside world. The cell membrane is a lipid bilayer that is semipermeable. The passage of chemicals into and out of the cell is regulated by the cell membrane.

As a result, the cell membrane has two functions: first, it acts as a barrier to keep the cell's components in and undesirable substances out, and second, it acts as a gate to allow the entry of essential nutrients and the exit of waste products.

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