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Bio AP 6,7,11,12
What I don't already know
12
Biology
11th Grade
11/06/2012

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Term
Peroxisomes
Definition
Removed hydrogen and place it on oxygen creating hydrogen peroxide (H2O2)
This process helps detoxify toxins, break down fatty acids
After the hydrogen peroxide is converted into water
Term
Tight Junctions
Definition
Form a barrier that prevents the movement of fluids
Term
Desmosomes
Definition
Button like junctions that bind cells together
Dont look like it, but almost function as double sided tape
Also can function as anchors
Term
Gap Junctions
Definition
Two cells bind together and form gaps or tunnels that allows for passage of certain molecules between cells. Very important in hormone passage and cell signaling
Term
Plasmodesmata
Definition
Like gap junctions in plant cells
Allow for free exchange of small molecules in between plant cells
Puncture cell wall
Term
Where are ribosomal subunits made?
Definition
Nucleolus
Term
Cell Fractionation
Definition
Takes cells aparts and separates major organelles and other sub cellular structures from one another
Term
Cilia and flagella move due to the interaction of the cytoskeleton with
Definition
motor proteins
Term
What cant pass through plasma membrane
Definition
Hydrophilic, ions, large molecules
Term
freeze-fracture of biological samples
Definition
Used to see proteins embedded im membrane bilayer
Term
Cotransport
Definition
Cotransport proteins allow a single ATP-powered pump to drive the active transport of many different solutes.
Term
Common second messengers
Definition
cAMP & Calcium Ions
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