Biological membranes are composed of

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(B) The chemical composition of biological membranes varies depending on the cell type. In human erythrocytes (red blood cells),the membrane is compos

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$50\%$ proteins and $50\%$ lipids

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(B) The chemical composition of biological membranes varies depending on the cell type. In human erythrocytes (red blood cells),the membrane is composed of approximately $52\%$ proteins and $40\%$ lipids. Among the given options,the ratio of $50\%$ proteins and $50\%$ lipids is the closest approximation to the general composition of biological membranes as described in the $NCERT$ textbook.

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