History of Development of the Fluid Mosaic Model

Q.

Who proposed the sandwich model of the plasma membrane?

1. Davson and Danielli

2. Robertson

3. Singer and Nicolson

4. Benson

Q. DNA replication occurs during

1. M phase
2. $G_1$ phase
3. $G_2$ phase
4. S phase

Q. First gap phase in cell cycle is

1. after karyokinesis
2. after DNA replication
3. before DNA replication
4. after duplication of centrioles

Q. Which of the following describes the fluid-mosaic model of the plasma membrane structure?

1. Phospholipid monolayer with embedded proteins
2. Phospholipid bilayer with embedded proteins
3. Phospholipid trilayer with embedded proteins
4. Triglyceride bilayer with embedded proteins

Q. The fluid mosaic model of the plasma membrane was proposed by

1. Singer and Garth L. Nicolson
2. Camillo Golgi
3. Danielli and Davson
4. Robertson

Q. Human and mouse cells are treated with red and green fluorescent dyes respectively and are made to fuse. The resultant cells are kept at ${37}^{o}C$. Assuming that R and G represents the localisation of red and green dye respectively, the probable distribution of dye on the surface of the cells will be

1. 
2. 
3. 
4. 

Q. The fluid mosaic model of the plasma membrane was proposed by

1. Singer and Garth L. Nicolson
2. Camillo Golgi
3. Danielli and Davson
4. Robertson