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
