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Why are the outside heads of phospholipids located on the outside of the cell membrane?
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∙ 8y ago
Tails are Hydrophobic
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∙ 10y ago
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The motion phospholipids make in a plasma membrane?
They move somewhat like a liquid. The move throught the membrane but stick together. Also, their hydrophilic heads always stick outside, and the hydorphobic tails always stay inside.
In a plasma membrane how do the tails of the phospholipid molecules lineup?
they are sandwiched between two layers of heads
How is the plasma membrane organized?
The cell (plasma) membrane is organised into a bilayer of phospholipids. This means that the hydrophilic (water-lover) polar heads of the phospholipids face out, and the hydrophobic (water-hating) non-polar tails face towards each other in the centre of the layer. Interspersed within the phospholipids of the membrane are proteins (such as protein channels), cholesterol and carbohydrates.
What are the molecules in the plasma membrane made of?
phospholipids are the molecules that make up the plasma membrane and they are made of polar (hydrophilic) heads and 2 non-polar (hydrophobic) tails
What kind of lipids make up the bilayer that forms the cell membrane?
Phospholipids
What has heads and tails and are found in a cell membrane?
Phospholipids.
What part of a cell membrane is usually in contact with the interstitial fluid?
phosphate heads of phospholipids
What are the component's of a cellular membrane?
Phospholipids, cholesterol and proteins mostly. The phospholipids will create a bilayer with their hydrophobic tails facing each other and hydrophilic heads towards either the cytoplasm of the cell or the outside of the cell. Cholesterol contributes to the flexibility of the membrane and keeping the phospholipids from sticking to each other. Proteins either serve as transportation, receptors, or identification.
Because cells have a watery environment bothinside and outside the polar ends of the phospholipids in the plasma membrane from layer?
Because cells have a watery environment both inside and outsidethe polar ends of the phospholipids in the plasma membrane form layers?
The motion phospholipids make in a plasma membrane?
They move somewhat like a liquid. The move throught the membrane but stick together. Also, their hydrophilic heads always stick outside, and the hydorphobic tails always stay inside.
What structure makes up the cell membrane?
The main component of the cell membrane is phospholipids. These are molecules with a polar (hydrophilic, water-loving) head composed of a phosphate (and usually a choline) and a non-polar (hydrophobic, water-hating) tail composed of fatty acids. In the cell membrane, these phospholipids are arranged in a bilayer - with heads facing the outside and the tails facing each other in the center of the membrane.
What chemical structure make up the cell the membrane?
The main component of the cell membrane is phospholipids. These are molecules with a polar (hydrophilic, water-loving) head composed of a phosphate (and usually a choline) and a non-polar (hydrophobic, water-hating) tail composed of fatty acids. In the cell membrane, these phospholipids are arranged in a bilayer - with heads facing the outside and the tails facing each other in the center of the membrane.
The primary structural component of a cell membrane is?
Phospholipids. Phosphate heads and carbon-carbon tails. Some are carbon=carbon tails.
Why are phospholipids used in a membrane?
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.
What makes up most of the molecules in the plasma membrane?
The main component of the cell membrane is phospholipids. These are molecules with a polar (hydrophilic, water-loving) head composed of a phosphate (and usually a choline) and a non-polar (hydrophobic, water-hating) tail composed of fatty acids. In the cell membrane, these phospholipids are arranged in a bilayer - with heads facing the outside and the tails facing each other in the centre of the membrane.
What form the lipid bilayer?
The lipid bilayer of a cell membrane is composed of two layers of phospholipids with polar heads on the outside and nonpolar tails facing inward. It also contains embedded proteins and considerable amounts of cholesterol to maintain membrane fluidity.
What gives the plasma membrane the ability to self-reassemble?
Hydrophilic end
