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Biology
Undergraduate 1
02/18/2014

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Term
endommembrane system
Definition
Many of the membranes within a eukaryotic cell are part of the...
Term
tiny vesicles (sacs made of membrane)
Definition
Some eukaryotic membranes are physically connected and some are related by the transfer of membrane segments by
Term
synthesis, storage and export of molecules
Definition
Many of these organelles work together in the
Term
the nuclear envelope, endoplasmic reticulum (ER), Golgi apparatus, lysosomes, vacuoles, and the plasma membrane.
Definition
The endomembrane system includes
Term
smooth and rough
Definition
There are two kinds of endoplasmic reticulum
Term
Smooth ER
Definition

lacks attached ribosomes 

Lipid assembly 

Rough ER lines the outer surface of membranes 

Produces and processes protiens 

Although physically interconnected, smooth and rough ER differ in structure and function.

Term
Golgi Body
Definition

puts finishing touches on proteins and lipids that arrive from ER 

Packages finished material for shipment to final destination 

Material arrives and leaves in Vesicles 

Protien trafficking

Term
a Lysosome
Definition
is a membrane sac containing digestive enzymes.
Term
Processing
Definition
Enzymes and membranes are produced by the ER and transferred to the Golgi apparatus for
Term
safely isolate these potent enzymes from the rest of the cell
Definition
The membrane serves to
Term
digest food particles engulfed by a cell
Definition
Lysosomes help
Term
a food vacuole
Definition
binds with a lysosome
Term
the enzymes
Definition
in the lysosomes diget the food
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