_________ are the basic units of life.

• Cells

• Organells

• Neucleus

• Organisms

__________ organisms consist of one cell.

• Multicellular

• Unicellular

• Eukaryotic

• Prokaryotic

Mitochondria produces ____________.

• energy

• light

• food

• waste materials

A/an____________ cell has a cell wall.

• plant

• animal

• big

• unicellular

All cells can be divided into ______ groups.

• 4

• 3

• 2

• no

Cells come together to form ____________.

• an organ

• an organelle

• an organism

• a tissue

A jelly-like substance in which all of the organelles of a cell are placed.

• ribosome

• endoplasmic reticulum

• cytoplasm

• nucleous

____________ controls all of the functions of a cell.

• A nucleous

• A brain

• A chloroplast

• A vacuole

Which one of the following organelles keeps toxic materials outside of the cell?

• golgi body

• cell membrane

• lysosome

• ribosome

___________ produce proteins.

• Chromoplasts

• Lysosomes

• Chloroplasts

• Endoplasmic reticulum