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4168322
The Cytoskeleton
Description
Degree Pharmacy (PH1402 - Cell and Molecular Biology) Mind Map on The Cytoskeleton, created by Has Maj on 02/12/2015.
No tags specified
pharmacy
pharmaceutical
pharmacology
cytoskeleton
pharmacy
ph1402 - cell and molecular biology
degree
Mind Map by
Has Maj
, updated more than 1 year ago
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Created by
Has Maj
almost 9 years ago
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Resource summary
The Cytoskeleton
PROTEIN FIBRES
Micro/Actin filaments
Made of F and G actin subunits
Smallest of the protein fibres
Involved in cell movement
Each actin molecule has a Mg ion binding site
Requires lots of ATP to make ADP +Pi formed
Micotubules
Made from Alpha and Beta Tubulin fibres
Largest of the protein fibres
They involved in intracellular transport, cell division
Motorway system to all areas of the cell
Intermediate Filament
Middle Size
Made of tetramers formed of proteins
Mechanical strength and structural support
Rope like, across the whole cell
Involved in cell-cell interaction
WHAT IS IT MADE OUT OF?
WHAT ROLE DOES IT HAVE?
Gives the cell a mobile shape
Allows the cell to move
Intercellular transport
Responsive to inter and extra celluar signals
WHAT IS IT?
A framework of proteins made up of three subunits
Made from subunit proteins which form polymers
POLYMERISATION
Nucleation (lag phase)
Small sunits may form together to form oligomer
Elongation (growth phase)
Subunits only add on one side of the molecule (+) end
Steady State (equilibrium phase)
Where the rate of subunit addition and loss are equal
Called the critical condition =Cc
Accessory proteins increases the speed of the process
Requires lots of ATP
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