Question

. Membranes are made of organic molecules like proteins and lipids.

Answer 1

Answer:

plasma membrane are made of organic molecules like protein and lipids

Answer 2

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(b) Membranes are made of organic molecules like proteins and lípids (c) Molecules soluble in organic solvents can easily pàss through the membrane. (d) Plasma membranes contain chítin sugar in plants. Answer: (d) Each cell is bounded by an extremely delicate, thin elàstic living membrane, called the plasma membrane.