Cell Biology - Cell Membrane T1

Question 1

Structure

Answer 1

Made up of protein and phospholipid.
Consists of two layers of phospholipids with proteins embedded like a mosaic in this layer. The position of the proteins change and the membrane is constantly moving which is why it is said to be fluid.

Question 2

Selectively permeable.

Answer 2

It allows small soluble molecule to pass through but larger insoluble molecules cannot.