Multiple choice

Which of the following is/are present in plasma membrane according to the model suggested by Singer and Nicholson?

  1. Carbohydrate and protein

  2. Chitin and phospholipids

  3. Phospholipids and extrinsic and intrinsic proteins

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The fluid mosaic model suggests that the cell membrane is lipid bi-layer. It contains both extrinsic and intrinsic proteins.