Lecture 16

Question 1

5 functions of cellular membrane

Answer 1

1. Boundaries and permeability
2. Organization and directing protein function
3. Transporting of molecules in and out
4. Signal sending and receiving
5. Interactions of other cells

Question 2

How much of cell membrane surface area is in the ER

Answer 2

60%

Question 3

In mediating cell to cell contact/ interactions, what occurs between the cells

Answer 3

adhesion

Question 4

molecules embedded in membranes allow for what

Answer 4

semi-permeability of membrane and other diverse functions