About Me

My photo
My name is Poon Cheng Moh. I have been teaching biology in SMK(P) Raja Zarina, Port Klang for 26 years. I sincerely hope that this blog on SPM Biology will be useful to both teachers and students.

Tuesday, January 18, 2011

Non organelle

b) Non organelle



1. Plasma/cell membrane

-made of protein & phospholipids

-semi permeable

-it regulates the movement of substances in and out of the cytoplasm

2. Cell wall

(Plant cell)

-made of cellulose.

-permeable to all fluids

-gives shape to plant

-provides mechanical support for the plant cell

3. Cytoplasm

-jelly-like matrix

-medium which organelles are suspended.

-contains organic and inorganic substances

-medium for biochemical reactions in the cell.

No comments:

Post a Comment