phospholipids and extrinsic as well as intrinsic proteins
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The Correct Option isD
Solution and Explanation
?luid Mosaic Model' was proposed by Singer and Nicholson as the generalized model for structure of all cell membranes. According to the fluid mosaic model, the cell membrane consists of a highly viscous fluid matrix of two layers of phospholipid molecules. Protein molecules occur not in a continuous layer but as separate particles asymmetrically arranged in a mosaic pattern. Some of these (peripheral/extrinsic proteins) are loosely bound at the polar surfaces of lipid layers while others (integral/intrinsic proteins) penetrate deeply into the lipid layer.
A cell is derived as the functional and structural unit of life. Every cell is surrounded by a cell membrane that dissects the external and internal environments of the cell. The interior environment of a cell is called the cytoplasm.
It carries cellular machinery and structural elements. The nucleus is present in the center of the cell, which includes all the hereditary information of an organism. Some of the molecules present in the cell are protein, carbohydrates, starch, and sugar.
