What is the correct answer?


The diagram given below represent a filuid mosaic model of plasma membrance. Match the components marked as A, B, C, D and E in the diagram below from the list (i) to (vii).

  1. Sugar
  2. Protein
  3. Lipid bilayer
  4. Integral protein
  5. Cytoplasm
  6. Cell wall
  7. External protein

A. A - (i), B - (ii), C - (iii), D - (iv), E - (v)

B. A - (ii), B - (i), C - (iii), D - (iv), E - (v)

C. A - (i), B - (ii), C - (iii), D - (iv), E - (vi)

D. A - (i), B - (ii), C - (iii), D - (vii), E - (v)

Correct Answer :

A. A - (i), B - (ii), C - (iii), D - (iv), E - (v)

The given diagram shows the fluid mosaic model of cell membrane. In the diagram the components marked as A, B, C, D and E are respectively (i) sugar, (ii) protein, (iii) lipid bilayer, (iv) integral proteins, and (v) cytoplasm. The fluid mosaic model was devised by SJ Singer and GL Nicolson in 1972, describes the cell membrane as a two-dimensional liquid in which phospholipid and protein molecules diffuse easily.

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