Sec1 LSS Chap 6 - Cells

Front

What is a cell?

Back

The smallest, basic unit of life that can perform all life processes. 

Front

Cell membrane

Back

Controls the movement of substances into and out of a cell

Front

Nucleus

Back

Centre that controls all cell activities that occur within a cell and contains genetic material (DNA).

Front

Cytoplasm

Back

Jelly-like substance where most cell activities take place.

Front

Vacuole

Back

Stores liquid, food and other waste materials

Front

Cell wall

Back

Protects and supports the entire cell. Rigid and gives the cell a regular shape.

Front

Chloroplast

Back

"Food Factory" of a plant cell. Site where photosynthesis (makes food for the plant) take place.

Front

What are two key differences between animal and plant cells?

Back

Plant cells have a cell wall and chloroplasts, while animal cells do not. 

Plant cells have 1 or 2 large vacuoles in the middle of the cell. Animal cells have numerous small vacuoles.

Front

What is a unicellular organism?

Back

An organism made of only one cell.

Front

What is a multicellular organism?

Back

An organism made of many cells.