Download Cells

The basic unit of all living things!
Theory – well tested hypothesis.
1.All living things are made up of cells.
2.Cells are the basic unit of structure
and function in living things.
3.New cells come from existing cells.
Prokaryotic – no nucleus
Eukaryotic - nucleus
1. Single Celled – 1 cell (volvox, euglena
and paramecium)
2. Multicellular – many cells
(plants and animals)
Function – protection & controls
what enters and leaves cell.
Function – holds all organelles
and nutrients.
Function – supports cell, and
helps it move
Function – home for the DNA
Function – makes proteins
Function – holds Ribosomes and
modifies proteins
Function –
makes lipids
Function – packages proteins
and ships them out.
Function – power house of cell –
food is broken down and turned
into energy.
Function – storage unit
Animal Cells Only
Function – cleans up waste and
eats foreign invaders
Plant Cells Only
Function – makes food (sugars)
Function – protection and support
Instrument
that magnifies
images that
are too small
to be seen
with the
naked eye.
Focuses beams of electrons over
an object to produce an image.
Passes light rays through an object,
and up through a lens to form an
image.
Plant & Animal Cells