Plasma Membrane/Cell Membrane

Chemical composition of plasma Membrane is best described as..

• Plasma Membrane is bilayers of phospholipids with associated Protein and carbohydrates.

• Plasma membrane is composed of equal number of phospholipids,proteins and carbohydrates.

• Plasma membrane is bilayers of proteins with associated lipid and carbohydrates.

• Plasma membrane is composed of two layers, one layer of phospholipids and another layer of protein.

Glycolipids in P.M. are usually located at.... (P.M.= plasma membrane)

• Inner leaflet of P.M.

• Outer leaflet of P.M.

• Evenly distributed in both inner and outer leaflet of P.M.

• None of the above

P.M. is ...

• Non-selective barrier

• Impermeable

• Made of cellulose

• Selectively barrier

Lipid bilayer model of P.M. was proposed by...

• Singer & Nicolson

• Davson Daniel & Robertson

• Grendel Gorter

• De Duve

Sandwich model of P.M. was given by...

• Danielle & Davson

• Singer & Nicolson

• Grendel & Gorter

• De Duve

Fluid Mosaic Model of P.M. was proposed by...

• Danielle & Davson

• Singer & Nicolson

• De Duve

• Gorter & Grendel

The term plasma membrane was given by....

• C. Nageli

• De Duve

• Robert Hook

• Watson

The membrane protein that extend through both sides of lipid bilayer are...

• Intrinsic Proteins

• Extrinsic proteins

• Peripheral proteins

• All of above

Unit membrane model of P.M. was given by...

• Robertson

• De Duve

• Watson

• Singer & Nicolson

Model of P.M. proposed by Singer & Nicolson differs from Robertson's model in.....

• Amount of protein

• Number of lipid layers

• Arrangement of proteins

• Arrangement of lipid layers