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A good model of the cell membrane would be
A. a chain link fence.
B. a film of food wrap.
C. a wall of stones and mortar.
D. a river with objects floating in it.

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A good model of the cell membrane would be a wall of stones and mortar. The other choices given in the question can be easily negated. The correct option among all the options that are given in the question is the third option or option "C". I hope that the answer has come to your great help.

Answer;

C. A wall of stones and mortar

This would act as a model describing the cell membrane.

Explanation;

A cell membrane is made up of a phospholipid bilayer with embedded proteins.

A cell membrane hold the different components of the cell together and to protect it from the environment outside the cell. It acts as a boundary between the inside environment and the outside environment of a cell.

It regulates the materials that enters and exits the cell; through selective movement of substances in and out of the cell.

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