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20 terms

Cell Theory & Types of Cells

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cell
smallest living unit
cell theory
1) all living things are composed of cells
2) cells are the basic unit of structure and function of life
3) new cells come from old cells --> life comes from life
organelles
structure that performs job inside a cell
prokaryotes
do not keep DNA in nucleus
eukaryotes
keep DNA safe in a nucleus
nucleus
holds and keeps DNA safe; a vault for DNA; plants/animals
nucleolus
produces ribosomes; plants/animals
ribosomes
produce protein; plants/animals
centriole
involved in cell division; animals
cell wall
protects inside of cell from injury and gives cell structure; plants/animals
cell membrane
separates inner and exterior cell; acts like glue to hold cell together; plants/animals
chloroplast
captures light energy to conserve free energy; plants
vacuole
isolates harmful material, removes waste, exports unwanted material, holds water in plant cells; plants/animals
mitochondria
converts energy stored in food into compounds that the cell uses
cytoplasm
Portion of the cell outside the nucleus, holds all the organelles together
lysosome
Break down proteins into small molecules that can be used by the rest of the cell
smooth endoplasmic reticulum
stores steriods
rough endoplasmic reticulum
involved in the making of proteins
golgi aparatus
modifies, sorts, packages & "ships" proteins
vesicle
Store and transport materials between cell organelles