Cell Wall

Question 1

Describe two structures of cell wall

Answer 1

1. rigid, permeable;

2. cellulose inside the surface of middle lamella, constituting the primary cell wall

Question 2

Functions of the rigidity

Answer 2

maintains the shape of the cell;

provide mechanical strength and support;

prevents cell membrane from rupturing in different osmotic potential;

Question 3

Function of the membrane

Answer 3

physical barrier to pathogens;

free passage of small molecules