What is a cell?

multicellular

An organism made of more than one, often different , cells.

prokaryotic cells

bacteria; cell that does not have a nucleus nor membrane enclosed organelles

nucleus

the combination of nuclear membrane and DNA found in eukaryotic cells

unicellular

An organism made up of one cell

organism

a living thing

cell theory

all living things are composed of one or more cells; the cell is the basic unit of life; and all cells come from pre-existing cells

cell

basic unit of life and surrounded by a cell membrane to keep it intact

DNA

genetic material which contains instructions for making new organisms and carrying out all functions that keep a cell alive

eukaryotic cells

include cells of plants, animals and fungi; contains a nucleus and organelles enclosed in a cell membrane

euglena

organism made of a single cell that moves using a whip-like flagellum and has an eye spot to sense light

ribosomes

responsible for making proteins in the cell

organelles

specialized structures that carry out specific functions inside a cell

mitochondria

the power house of the cell responsible for cellular respiration

chloroplast

the site of photosynthesis- found in plant cells

cytoplasm

thick gel like fluid that suspends organelles

cell wall

thick, rigid outer wall found in plant cell