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Phospholipids form membranes because they have hydrophobic (water repelling) heads and hydrophilic (water attracting) tails. The hydrophobic heads will congretate together to avoid contact with the water so the hydrophilic tails will then be left on the outside in contact with the water. This creates a lipid bilayer membrane.
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What part of the cell are phospholipids found?
Phospholipids are usually found in the cell membrane of a cell (hence the alternate name for a cell membrane being the phospholipid bilayer).
Lipid-soluble materials enter and exit the cell via?
Phospholipids permit lipid-soluble materials to easily enter or leave the cell by diffusion through the cell membrane. Phospholipids form a bilayer or double layer which makes up most of the membrane.
What are the two distinct faces of the phospholipids that make up the surface membrane of a cell?
A hydrophilic head and a hydrophobic tail
When a membrane is freeze fractured the bilayer splits down the middle between the two layers of phospholipids In the electron micrograph of a freeze-fractured membrane the bumps seen on the fracture?
Integral Proteins.
What is a double layer of phospholipids?
A cell's membrane (plasma membrane) is made of a phospholipid bilayer where the hydrophillic phosphate groups form the two outer sides of the bilayer and the hydrophobic fatty acid chains are the interior.
Phospholipids and proteins are used to make cell?
membrane
The basic unit of the cell membrane is the?
Phospholipids.
Which organic molecule is used to build the majority of the cell membrane?
Phospholipids.
Where do phospholipids get used structurally?
Phospholipid bilayer the forms the plasma membrane.
Which of the following factors does not affect membrane permeability?
The polarity of membrane phospholipids -Mastering Biology
What form the majority of the plasma membrane of cells?
phospholipids
What is in the plasma membrane?
The plasma membrane is the bi-layer of phospholipids the encompass the cell. It is made of phospholipids, protiens, and sugars.
What molecules form much of the cell membrane?
The cell membrane is composed mainly of lipids. Phospholipids to be precise.
What do phospholipids make up?
Phospholipids are a major component of the cell membrane.
What is the primary molecule of the cell membrane?
membrane lipid which is made up of phospholipids and glycolipids. both phospholipids and glycolipids makes up glycerolipid.
Which ions are permeable to phospholipids that make up the plasma membrane?
which ions are permeable to phospholipids that make up the plasma membrane
What is the plasma membrane made of?
Phospholipids.
