Cells Cell Theory

​Cell theory

• Every living things are make up one or more cells

• Basic unit of life

• All cells are came from pre-existing cells

​Plant cells

​Animal cells

​Mainly classified as .....

Cell wall ( plant cell only)

• fully permeable

• thick and rigid

• protects the cell

• help plants hold their shape, even when they're thirsty.

​cell wall

Cell membrane (animal cells and plant cells )

• made up of phospholipids and proteins

• thin and flexible

• controls the movement of substances into and out of the cell

​cell membrane

Protein

• Eukaryotic cells have the nucleus enclosed within the nuclear membrane.

• The cell has mitochondria.

• Flagella and cilia are the locomotory organs in a eukaryotic cell.

• A cell wall is the outermost layer of the eukaryotic cells.

• The cells divide by a process called xintosis