The structure of the phospholipid molecule generally consists of two hydrophobic fatty acid tails and a hydrophilic phosphate head, joined together by a glycerol molecule. The phosphate groups can be modified with simple organic molecules such as choline.
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The ability of the plasma membrane to determine which materials can move in and out of a cell is due to the molecules found in the membrane and the presence of a lipid bilayer. Let's discuss the properties of the lipid bilayer.
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Best Answer: The usual phospholipid that we encounter is those found in the cell membrane, namely the membrane phospholipid. They are the predominant lipids of cell membrane. They can act as: 1) reservoir of intracellular protein messengers such as phosphoinositol biphosphate.
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The lipid bilayer is important for maintaining the shape of a cell and for selective permeability. Therefore, it is vital for the survival and function of the cell. This article explains what the lipid bilayer is and how its structure contributes to cell viability. Cells are outlined by a plasma membrane.
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Phosphatidyl choline is the major component of lecithin. It is also a source for choline in the synthesis of acetylcholine in cholinergic neurons. Cell membranes consist of phospholipid bilayers. Phospholipids are a class of lipids that are a major component of all cell membranes.
https://en.wikipedia.org/wiki/Phospholipid
Phospholipids are the main constituents of cell membranes. Their function as the principle components of cell membranes makes phospholipids essential for all vital cell processes. Phospholipids are the most important membrane building compounds that occur in human, animal and plant cells.
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What are several roles of phospholipids? -integral part of cell membrane (can serve as anchors to cell membranes) -serve as a reservoir for intracellular messengers. -non membrane bound phospholipids can serve as: lung surfactant and platelet activating factor (PAF)
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Phospholipids are the primary molecules found in the plasma membrane. A phospholipid is unique in that it has a hydrophilic region called the head, and a hydrophobic region known as the tail. The hydrophilic region can interact with water due to the presence of a phosphate group which is polar, like water. If something is hydrophilic, that means it likes water.
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Phospholipids make up the structure of the lipid bilayer found in the membrane of cells. Primarily, it's main job is to keep the things that are on the inside of a cell inside, and keep what things are outside the cell on the outside. It is also called a semipermeable membrane because it can allow some things, under certain situations, to cross the phospholipid bilayer to enter or exit the cell.
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The phospholipid head contains a negatively charged phosphate group and glycerol; it is hydrophilic (attracted to water). The phospholipid tails usually consists of 2 long fatty acid chains; they are hydrophobic and are repelled by water. When placed in water, phospholipids form a variety of structures depending on the specific properties of the phospholipid with tails typically aggregating to minimize interactions with water molecules.
https://en.wikipedia.org/wiki/Phospholipid
the main function of a phospholipid is to
It has a hydrophilic region called the head, and a hydrophobic region known as the tail.