Name : DK Fatimah ( 10 science 2022 ) REVISION NOTE FOR 2023 / END OF YEAR / O LEVEL BIOLOGY Topic : Cell structure and organization A) the similarity in structure of animal and plant cell : Cell membrane present Cyctoplasm present Nucleus present Mitochondria present Ribosome present B) the difference in structure of animal and plant cell : 2) the function of cell membrane in controlling the passage of substance into and out of the cell : Selectively controls the passage of substance entering and leaving the cell (selectively permeable ) General rules : small molecules can enter easily . e.g water (osmosis) , water or oxygen (diffusion) 3) the relationship between cell function and cell structure : Root hair cell 1.It has long tubelur shape to increase surface area for uptake water and mineral salt 2.It has a very concentrated cellsap in vocuale 3.