Question

Who gave the lamellar or sandwich model of cell membrane?

• A. Singer and Nicolson
• B. Danielli and Davson
• C. J. Robertson
• D. None of these

Answer 1

Answer: (B)

Danielli and Davson

Answer 2

In $1935$, Danielli and Davson proposed that cell membrane is made of a double layer of phospholipid molecules sandwiched between two single layers of proteins. The three layers are held together by electrostatic forces while phospholipid layers are kept adhered by vander Waal's forces