The Discovery Of Cells 7.1

Front 1

cell

Back 1

Basic unit of all organisms; all living things are composed of cells

Front 2

compound light microscope

Back 2

Instrument that uses light and a series of lenses to magnify an object up to 1500 times its original size.

Front 3

cell theory

Back 3

1the theory that all organisms are composed of one or more cells, 2 the cell is a basic unit of structure and organization of organisms, 3 all cells come from preexisting cells.

Front 4

Electron microscope

Back 4

Instrument that uses a beam of electrons instead of light to magnify structures up to 500,000 times actual size; allows scientists to view structures within a cell.

Front 5

Organelles

Back 5

Membrane-bound structures with particular functions within eukaryotic cells

Front 6

Prokaryotes

Back 6

Unicellular organisms such as bacteria, each of which is composed of prokaryotic cell. Prokaryotic cells lack internal membrane-bound structures.

Front 7

Eukaryotes

Back 7

Unicellular or multicellular organisms, such as yeast, plants and animals, composed of eukaryotic cells, which contain a true nucleus and membrane-bound organelles.

Front 8

Nucleus

Back 8

In eukaryotic cell, the central membrane-bound organelle that manages cellular functions and contains DNA