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What Are The Major Components Of Biological Membranes And How Do They Contribute To Membrane Function?.
Beginning of Essay
What Are The Major Components of Biological Membranes And How Do They Contribute
Summary.
The role of the biological membrane has proved to be vital in countless
mechanisms necessary to a cells survival. The phospholipid bilayer performs the
simpler functions such .... Middle of Essay
.... There are general
functions common to all membranes such as control of permeability, and then
there are specialised functions that depend upon the cell type, such as
conveyance of an action potential in neurones. However, despite the diversity of
function, the structure of membranes is remarkably similar.
All membranes are composed of lipid, protein and carbohydrate, but it is
the ratio of these components that varies. For example the protein component may
be as high as 80% in Erythrocytes, and as low as 18% in myelinated neurones.
Alternately, the lipid component may be as high as 80% in myelinated neurones,
and as low as 15% in skeleta ....
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Words: 2565 - Pages: 10
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