Which of these is a Semipermeable Membrane (SP) and which is Selectively Permeable (SL)?
1.  Animal bladder

2.  Plasmalemma

3.  Tonoplast

4.  Parchment membrane

5.  Egg membrane

Animal bladder Semipermeable                Plasmalemma Selectively permeable
Tonoplast Selectively permeable                Parchment membrane Semipermeable
Egg membrane Semipermeable