Phospholipids Lab Report

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Contents Sr Contents Pg no 1 History 3 2 Structure of phospholipids 4 3 Micelles 5 4 Synthesis 5 5 Functions of phspholipids 6 6 Sources 7 7 Refrences 8 Phospholipids , Structure and Function Phospholipids are lipids class , which are major component of plasma membrane, the outermost layer of animal cells. Like other fats they are composed of fatty acids chains which is attached to a glycerol backbone but unlike triglycerides which have three fatty acids chains , phospholipids have only two fatty acids chains and form a diacyleglycerol. The third carbon of glyceride is also occupied by a modified phosphate group. But only phosphate group attachment does not qualify diacyleglycerol as a phospholipid, it…show more content…
Role in Plasma membrane: The most important function of phospholipids is to form the phospholipid bilayer of the plasma membrane. In this bilayer, phospholipids are arranged so that their hydrophobic heads are pointing outwards and their hydrophilic tails are pointing inwards. This arrangement allows plasma membranes to be selectively permeable to solutes such as proteins, ions and water.[4] 2. In signal…show more content…
Examples include phosphatidylinositol (4,5)-bisphosphate (PIP2), that can be split by the enzyme Phospholipase C into inositol triphosphate (IP3) and diacylglycerol (DAG), which both carry out the functions of the Gq type of G protein in response to various stimuli and intervene in various processes of long term depression in neurons to leukocyte signal pathways started by the help of chemokine receptors. Phospholipids also intervene in prostaglandin signal pathways as the raw material used by lipase enzymes to produce the prostaglandin

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