Which of the following statement is wrong regarding model of plasma membrane given by S.J. Singer and G.L. Nicolson ?
A
The quasi-fluid nature of protein enables lateral movement of lipids
B
The integral proteins are partially or totally buried in the membrane
C
Protein iceberg in sea of lipids
D
Phosphoglycerides are present in lipid component
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The structure of cell membrane was proposed by Singer and Nicolson (1972) widely accepted as fluid mosaic model. According to this, the quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer. This ability to move within the membrane is measured as its fluidity. The fluid nature of the membrane is important for functions like cell growth, formation of intercellular junctions, secretion, endocytosis, cell division etc.
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
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