Question

What are the special structures in the cell membrane that allow materials such as water and sugar to pass through made of?

Answer 1

They are made of protein

Answer 2

Answer:

The special structures in the cell membrane that allow materials such as water and sugar to pass through made of proteins.

Explanation:

Proteins present on the cell membrane known as transmembrane protein. There are 3 main types of membrane proteins are found integral, peripheral and lipid-anchored proteins.

Some common functions of the membrane proteins includes:

1) They are working as ion channels, membrane receptor, G protein couple receptor and many types of transport proteins.

2) Membrane receptor which are present on the cell membrane can pass-on signal between internal and external environment of the cell.

3) Transporter is a type of membrane protein which helping in the movement of molecules across the membrane.