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Biological Membranes - Coggle Diagram
Biological Membranes
Fluid part is made of phosopholipid
Arranged in a bilayer
Made of a head
hydrophilic
water loving
Is composed of phosphate
Attached to glycerol
Made of two tails
hydrophobic
water fearing
Made of fatty acid
Attached to glycerol
phosphate
hydrocarbon
saturated
NO DOUBLE BONDS
DECREASED FLUIDITY
unsaturated
DOUBLE BONDS
INCREASED FLUIDITY
function to
REGULATE TRANSPORT
OF MATERIALS INTO / OUT
OF THE CELL
binding substances and moving material across the membrane
Are "fluid mosaics"
Mosaic part is made of proteins
can be integral
have functions such as transport
channels
serve as pores through which substances can move
carriers
embedded to membrane
can be peripheral
not embedded in membrane
receptors
bind to specific molecules found outside the cell and trigger changes in the cell
adhesion
helps cells in tissues stay connected
glycoproteins
Proteins with an attached oligiosaccharide
have functions such as recognition
which helps in the identification of the cell type
IDENTIFICATION OF
THE CELL TYPE
have functions such as
ENZYMES
synthesize or break apart biological molecules
Cholesterol
Modulates fluidity