Ch.2 Les. 2 Looking Inside Cells

Front

Cell Wall

Back

A rigid layer that surrounds the cells of plants & some other organisms.

Front

Cell membrane

Back

It controls which substances pass into & out of a cell.

Front

Nucleus

Back

A large oval structure that acts as a cell's control center, directing all of the cell's activities.

Front

Organelles

Back

Tiny cell structures that carry out specific functions within a cell.

Front

Ribosomes

Back

Small grain-shaped organelles that produce proteins.

Front

Cytoplasm

Back

Consist of a thick, clear, gel-like fluid. It fills the region(area) between the cell membrane & the nucleus.

Front

Mitochondria

Back

It converts energy stored in food to energy the cell can use to live & function.

Front

Endoplasmic Reticulum

Back

Often called "ER", is an organelle with a network of membranes that produces many substances.

Front

Golgi Apparatus

Back

It receives proteins & other newly formed materials from the ER(Endoplasmic Reticulum), package them , & distributes them to other parts of the cell or to the outside of the cell.

Front

Vacuole

Back

It stores water, food, or other materials needed by the cell. It also stores waste products until the wastes are removed.