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Cell Parts, Osmosis
Review
24
Biology
9th Grade
01/21/2012

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Term
lysosome
Definition
can be used to kill a cell, contains digestive enzymes (a cells stomach)
Term
golgi
Definition
cuts proteins and adds carbs and ships molecules out of the cell
Term
plants cells
Definition
chloroplasts, cell walls, chlorophyll, plastids
Term
plastids
Definition
chemical factory or storage center
Term
chloroplasts
Definition
double membrane, no DNA, contains chlorophyll
Term
Leucoplasts
Definition
plants equivalent of fat storage
Term
cell membranes
Definition
hydrophobic tails, hydrophilic heads; contains 2 different lipids, proteins and cholesterol; some are active some are passive
Term
endocytosis
Definition
process where things are brought into cell
Term
exocytosis
Definition
process where things are removed from cell
Term
diffusion
Definition
high to low transportation
Term
active transport
Definition
goes against diffusion, uses ATP
Term
isotonic
Definition
equal solution on both sides
Term
hypotonic
Definition
uneven solution has more salt
Term
mitochondria
Definition
ATP, has ribosomes, energy is made and stored here
Term
centriole
Definition
centers for attachment of spindle apparatus
Term
nucleolus
Definition
small dots inside of nucleus, site of RNA synthesis
Term
cytoplasm
Definition
cell fluid,where most chemical reactions occur
Term
cytoskeleton
Definition
a bunch of tubes and fiber made of protein, provides support and strength
Term
E.R
Definition
materials are transported throughout the cell,
Term
rough E.R.
Definition
has ribosomes
Term
smooth E.R.
Definition
no ribosomes and makes fat
Term
ribosomes
Definition
read mRNA and make new proteins
Term
cell theory
Definition
all organisms are made up of cells
Term
prokaryotes
Definition
no nucleus, no internal membranes, fewer organelles
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