Chapter 6 membrane proteins:

Question 1

Membrane proteins can be classified in two ways?

Answer 1

integral membrane- physically span the length of the inner membrane
peripheral membrane- associate with the outer surface of the membrane or an integral surface protein

Question 2

What composes a membrane?

Answer 2

amphipathic lipids & sterols

proteins

Question 3

Which kind of membrane protein is amphipathic?

Answer 3

integral

Question 4

What is the structure of the amphipathic integral proteins?

Answer 4

• A helix shaped hydrophobic inner portion and a hydrophilic region near the end on the membrane

Question 5

How the hydrophobic integral proteins and fats interact?

Answer 5

van der waals interactions

Question 6

How do you remove an integral protein?

Answer 6

1.) you must break the membrane using a detergent.