Question

Identify the correct statement about the fluid mosaic model of cell membrane.

• A. It was proposed by J David Robertson in 1972.
• B. Model resembles the iceberg (as proteins) floating in the sea (of phospholipids).
• C. Hydrophilic phosphate head of phospholipids face inwards.
• D. Hydrocarbon tails face outward.

Answer 1

Answer: (B)

The fluid mosaic model was given by Singer and Nicholson in 1972. It resembles the arrangement of proteins as iceberg floating in the sea of .phospholipids. In this model the hydrophilic phosphate heads of phospholipids face outwards and the hydrocarbon tails face inward creating a hydrophobia interior.