This is a required component of the grade 9 science program for WOSS Oakville
Saturday, November 11, 2006
Describe the structure of a cell membrane.
17 comments:
Anonymous
said...
The cell membrane and membranes surronding it are about 10nm thick. They contain specific protiens to help it function. Molecules create a three demensional, spherical dome around the cell. The membrane contains large amounts of protiens and lipids. The cell membrane is anchored. The cell also contains finger like projections which increase the cell surface area.
The cell membrane is one of the major parts of a cell as the membrane protects, and helps the cell keep and move the nutrients. Without the cell membrane, the cell would wither and die, as they would have absolutely no protection to keeps the parts together or from outside sources. The cell membrane is located between the “machine” of the cell and the outside liquids in which the cell bathes. The cell membrane allows many nutrients including glucose, amino acids, and lipids. The cell membrane is composed of a semi-fluid coating in which allows or chooses for what goes in and out of the layer. What goes in or out of the cell membrane is controlled by the receptor from deep within the cell. The bigger the size of the cell, the more output and less input the cell uses. In an animal cell, the cell membrane protects itself from the inner to the outer. While in a plant cell, there are two cell walls whereas animal cells only have one. The cell membrane is not usually used as a actual boundary to the cell, but used in order to maintain a constant size. The cell membrane is not distinguishable but only faintly with a transmission electron telescope. This is how scientists found out that the cell wall or cell membrane of a single cell is only 10mn. With the outmost technology, many people all around the world have found out how much the cell membrane is made up of. The cell membrane is made up of about 1/3 cholesterol, 2/3 phospholipids, about 20-35% sphingolipids and 5% glycolipids. This, in reason, the cell membrane contains mostly protein with many adjacent to the membrane or embedded within. The cytoskeleton is the cell membranes southern neighbor as the cytoskeleton is located right beneath the membrane. Anchoring restricts them from dissolving between one another and limits how fast the two cell parts may diffuse. Hand-like projectiles called microvilli increases the cells absorption and surface area.
The cell membrane is about 10 mm thick and contains proteins that go to the nucleus, without it the cell would die, because there would be nothing holding it together. The cell membrane is made of 1/3 cholesterol, 2/3 phospholipids, 30% sphingolipids, and 5% glycolipids.
A cell membrane is: "a covering around a cell that controls the movement of materials in and out of the cell." (Nelson Science text book, grade nine. Page 142.) The cell membrane is selectively permeable, which means the membrane chooses what comes in and out of cell, and is made of potein and two layers of lipid molecules. The protein makes up the pores needed to control the movement of materials and coats the cell membrane. The lipid is the rest of the structure. These lipid molecules are also called a phospholipid molecule because of the head (a spherical section) and two tails. The outer layer of lipids are hydrophilic, which means the molecules like water. The inner layer of lipids are hydrophobic, which means the molecules are 'afraid' of water. When the temperature is low the molecules are close together and don't allow materials through. When the temperature is high the molecules are farther away from each other and allow materials through.
The cell membrane is approximately ten nanometers thick. Depending on what the membrane is supposed to do, the cell membrane is specialized and contains specific proteins and lipids that help the cell membrane to perform certain and unique roles for the cell. Phospholipid molecules create a spherical 3 dimensional lipid bilayer coating around the cell. The plasma membrane in the cell contains a third of cholesterol, and two thirds of phospholipids. The outer part contains 5% of glycolipids. Proteins go into the nucleus, and if there was no nucleus holding the cell together, the cell would die.
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
The cell membrane is the outer shell of a cell. It's role is to monitor what goes in and out of the cell since the cell membrane is semipermeable. The membrane is made up of proteins and phospholipids. 2 types of proteins can be found in the cell membrane which are peripheral proteins and integral proteins. Peripheral proteins are not attached to the membrane although they may be on top of it. Because of this, they can sometimes be used as receptors. Integral proteins are integrated (connected) to the cell and are located in the middle of the cell membrane. Phospholipids have 2 parts, a tail and a head. The phospholipids are in a bilayer with the heads facing outwardly and the tails facing in.
The cell membrane is the outer shell of a cell. It's role is to monitor what goes in and out of the cell since the cell membrane is semipermeable. The membrane is made up of proteins and phospholipids. 2 types of proteins can be found in the cell membrane which are peripheral proteins and integral proteins. Peripheral proteins are not attached to the membrane although they may be on top of it. Because of this, they can sometimes be used as receptors. Integral proteins are integrated (connected) to the cell and are located in the middle of the cell membrane. Phospholipids have 2 parts, a tail and a head. The phospholipids are in a bilayer with the heads facing outwardly and the tails facing in.
The cell membrane is about 10nm thick. The cell membrane has a large amount of protein. The cell membrane consists mainly of phospholipid which has two parts: a polar phosphate head and two non-polar fatty acid tails. The molecules are arranged in a double layer so that the polar heads face the external and the internal environments of the cell and the fatty acids form the inside of the membrane. The phospholipids are not anchored down in any way because they are free to move. This allows the membrane to stretch and change shape. The finger-like projections called microvilli, increase cell surface area and facilitate the absorption of molecules from the outside. The cell membrane is specialized in that it contains specific proteins and lipid components that enable it to perform its unique roles. In the cell membrane, phospholipid molecules create a spherical 3D lipid double layer shell around the cell. A phospholipid molecule has a head and two tails. The cell membrane consists of 1/3 of cholesterol and 2/3 of phospholipids and 20-35% of sphingolipids. The outer leaflet contains 5% glycolipids. Nidhi Patel
The cell membrane and the membranes surrounding inner cell organelles are about 10 nm thick. The membrane contains specific proteins and lipids that help perform the proper "jobs" in the cell or organelle. In the cell membrane, molecules create a spherical, three dimensional lipid bilayer shell around the cell. The cell membrane contains great amounts of proteins, and lipids. The cell membrane provides anchoring points for integral membrane proteins. Anchoring keeps them from facing a particular face or surface. The cell membrane helps the cell keep nutrients, and move them. The cells would die without the cell membrane because they would have no protection to keep the parts together. The cell membrane is very important.
A cell membrane is a wall or the lining to a cell. The cell membrane acts as a guard or someone who allows objects to move into and out of the cell, in an animal cell. Ina plant cell there is still a cell membrane, it acts as a wall but everything may pass through. The cell membrane also contains many needed nutrients and fat cells, also needed throughout the cell. A cell membrane structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 33% cholesterol, and 67% phospholipids. The cell wall is about 10 nano meters thick.
The cell Membrane is a one of the most important parts of a cell because if a cell had no cell membrane, it would die, because the cell membrane controlls the movement of things like nutrients in and out of the cell as well as protecting the cell and holding all of its sepperate parts together. I f there was no cell membrane, there is nothing to stop bad chemicals and compounds from getting into the cell. The cell membrane on an animal cell covers the whole cell and is the outermost layer of the cell. The cell membrane on a plant cell is inbetween the cytoplasm (inner) and the cell wall (outer) and therefor is the second outermost later of the cell next to the cell wall. The cell membrane is made of a cobination of fluids which are lipids, proteins, and carbohydrates. The Lipids are one class of large biological molecules that are grouped together because they have little liking to water. Lipids cosist of mostly hydrocarbons and there are three types of these lipids: the steroids, fats, and phospholipids. The protiens of a cell are more than 50% of the cells dry weight. They are all polymers made of the same set of 20 amino acids. Membrane proteins are classified into 2 groupes: Internal proteins and Peripheral proteins. Proteins are much bigger that lippids andmove much slower. Carbohydrates are usually "branched Oligosaccharides and have less that 15 sugar units. Some of these are bonded the lippids forming molicules called glycolipids, can also be bonded to proteins called glycoproteins. The cell membrane is about 10 nanometers in thickness and has long projectiles that expand the surface area of the cell membrane.
The cell membrane is the semi-permiable lining of an animal cell. It acts as a guard, meaning it will only let certain nutrients in and out. It also holds the cells structure together. The cell membrane contains many lipids and nutrients vital for the health and survival of the cell. The cell membrane is about ten nano meters thick. The cell membrane is is made up of 5% glycolipids, 30% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids.
17 comments:
The cell membrane and membranes surronding it are about 10nm thick. They contain specific protiens to help it function. Molecules create a three demensional, spherical dome around the cell. The membrane contains large amounts of protiens and lipids. The cell membrane is anchored. The cell also contains finger like projections which increase the cell surface area.
Chris Ball
The cell membrane is one of the major parts of a cell as the membrane protects, and helps the cell keep and move the nutrients. Without the cell membrane, the cell would wither and die, as they would have absolutely no protection to keeps the parts together or from outside sources. The cell membrane is located between the “machine” of the cell and the outside liquids in which the cell bathes. The cell membrane allows many nutrients including glucose, amino acids, and lipids. The cell membrane is composed of a semi-fluid coating in which allows or chooses for what goes in and out of the layer. What goes in or out of the cell membrane is controlled by the receptor from deep within the cell. The bigger the size of the cell, the more output and less input the cell uses. In an animal cell, the cell membrane protects itself from the inner to the outer. While in a plant cell, there are two cell walls whereas animal cells only have one. The cell membrane is not usually used as a actual boundary to the cell, but used in order to maintain a constant size. The cell membrane is not distinguishable but only faintly with a transmission electron telescope. This is how scientists found out that the cell wall or cell membrane of a single cell is only 10mn. With the outmost technology, many people all around the world have found out how much the cell membrane is made up of. The cell membrane is made up of about 1/3 cholesterol, 2/3 phospholipids, about 20-35% sphingolipids and 5% glycolipids. This, in reason, the cell membrane contains mostly protein with many adjacent to the membrane or embedded within. The cytoskeleton is the cell membranes southern neighbor as the cytoskeleton is located right beneath the membrane. Anchoring restricts them from dissolving between one another and limits how fast the two cell parts may diffuse. Hand-like projectiles called microvilli increases the cells absorption and surface area.
Marcus Drage
The cell membrane is about 10 mm thick and contains proteins that go to the nucleus, without it the cell would die, because there would be nothing holding it together. The cell membrane is made of 1/3 cholesterol, 2/3 phospholipids, 30% sphingolipids, and 5% glycolipids.
Jeff Ricardo
A cell membrane is: "a covering around a cell that controls the movement of materials in and out of the cell." (Nelson Science text book, grade nine. Page 142.)
The cell membrane is selectively permeable, which means the membrane chooses what comes in and out of cell, and is made of potein and two layers of lipid molecules. The protein makes up the pores needed to control the movement of materials and coats the cell membrane. The lipid is the rest of the structure. These lipid molecules are also called a phospholipid molecule because of the head (a spherical section) and two tails. The outer layer of lipids are hydrophilic, which means the molecules like water. The inner layer of lipids are hydrophobic, which means the molecules are 'afraid' of water. When the temperature is low the molecules are close together and don't allow materials through. When the temperature is high the molecules are farther away from each other and allow materials through.
Tara Sadeghieh
The cell membrane is approximately ten nanometers thick. Depending on what the membrane is supposed to do, the cell membrane is specialized and contains specific proteins and lipids that help the cell membrane to perform certain and unique roles for the cell. Phospholipid molecules create a spherical 3 dimensional lipid bilayer coating around the cell. The plasma membrane in the cell contains a third of cholesterol, and two thirds of phospholipids. The outer part contains 5% of glycolipids. Proteins go into the nucleus, and if there was no nucleus holding the cell together, the cell would die.
Teodora
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
Luke Wathen
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
Luke Wathen
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
Luke Wathen
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
Luke Wathen
A cell membrane is basically a semi-permeable that surrounds a cell which can be found in plant and animal cells. The membrane acts as a “gate keeper” and allows certain smaller materials into the cell but not others. If animal cells did not have cell membranes the organelles and cytoplasm would likely flow away and therefore the cell would die. The cell membrane also contains quite a lot of nutrients and other lipids (also known as fat molecules) which can be used throughout the cell. Even though a plant cell does have a cell wall, this wall only provides structure and does not fulfill the “gatekeeper” role of the cell membrane and therefore many unwanted materials would be able to enter the cell, eventually causing the cells death. A cells structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids. The materials above are mainly proteins and fat molecules which make up the cell membrane. An example of one of the materials that a cell membrane allows in to the cell is amino acid which is very important to the cell. Therefore without the cell membrane the cell would probably not be able to survive.
Luke Wathen
The cell membrane is the outer shell of a cell. It's role is to monitor what goes in and out of the cell since the cell membrane is semipermeable. The membrane is made up of proteins and phospholipids. 2 types of proteins can be found in the cell membrane which are peripheral proteins and integral proteins. Peripheral proteins are not attached to the membrane although they may be on top of it. Because of this, they can sometimes be used as receptors. Integral proteins are integrated (connected) to the cell and are located in the middle of the cell membrane. Phospholipids have 2 parts, a tail and a head. The phospholipids are in a bilayer with the heads facing outwardly and the tails facing in.
The cell membrane is the outer shell of a cell. It's role is to monitor what goes in and out of the cell since the cell membrane is semipermeable. The membrane is made up of proteins and phospholipids. 2 types of proteins can be found in the cell membrane which are peripheral proteins and integral proteins. Peripheral proteins are not attached to the membrane although they may be on top of it. Because of this, they can sometimes be used as receptors. Integral proteins are integrated (connected) to the cell and are located in the middle of the cell membrane. Phospholipids have 2 parts, a tail and a head. The phospholipids are in a bilayer with the heads facing outwardly and the tails facing in.
Katie Wong
The cell membrane is about 10nm thick. The cell membrane has a large amount of protein. The cell membrane consists mainly of phospholipid which has two parts: a polar phosphate head and two non-polar fatty acid tails. The molecules are arranged in a double layer so that the polar heads face the external and the internal environments of the cell and the fatty acids form the inside of the membrane. The phospholipids are not anchored down in any way because they are free to move. This allows the membrane to stretch and change shape. The finger-like projections called microvilli, increase cell surface area and facilitate the absorption of molecules from the outside. The cell membrane is specialized in that it contains specific proteins and lipid components that enable it to perform its unique roles. In the cell membrane, phospholipid molecules create a spherical 3D lipid double layer shell around the cell. A phospholipid molecule has a head and two tails. The cell membrane consists of 1/3 of cholesterol and 2/3 of phospholipids and 20-35% of sphingolipids. The outer leaflet contains 5% glycolipids.
Nidhi Patel
The cell membrane and the membranes surrounding inner cell organelles are about 10 nm thick. The membrane contains specific proteins and lipids that help perform the proper "jobs" in the cell or organelle. In the cell membrane, molecules create a spherical, three dimensional lipid bilayer shell around the cell. The cell membrane contains great amounts of proteins, and lipids. The cell membrane provides anchoring points for integral membrane proteins. Anchoring keeps them from facing a particular face or surface. The cell membrane helps the cell keep nutrients, and move them. The cells would die without the cell membrane because they would have no protection to keep the parts together. The cell membrane is very important.
Anastasia Rzjanin
A cell membrane is a wall or the lining to a cell. The cell membrane acts as a guard or someone who allows objects to move into and out of the cell, in an animal cell. Ina plant cell there is still a cell membrane, it acts as a wall but everything may pass through. The cell membrane also contains many needed nutrients and fat cells, also needed throughout the cell. A cell membrane structure is made up of approximately 5% glycolipids, 20-35% sphingolipids, 33% cholesterol, and 67% phospholipids. The cell wall is about 10 nano meters thick.
Scott Smith
The cell Membrane is a one of the most important parts of a cell because if a cell had no cell membrane, it would die, because the cell membrane controlls the movement of things like nutrients in and out of the cell as well as protecting the cell and holding all of its sepperate parts together. I f there was no cell membrane, there is nothing to stop bad chemicals and compounds from getting into the cell.
The cell membrane on an animal cell covers the whole cell and is the outermost layer of the cell. The cell membrane on a plant cell is inbetween the cytoplasm (inner) and the cell wall (outer) and therefor is the second outermost later of the cell next to the cell wall.
The cell membrane is made of a cobination of fluids which are lipids, proteins, and carbohydrates. The Lipids are one class of large biological molecules that are grouped together because they have little liking to water. Lipids cosist of mostly hydrocarbons and there are three types of these lipids: the steroids, fats, and phospholipids. The protiens of a cell are more than 50% of the cells dry weight. They are all polymers made of the same set of 20 amino acids. Membrane proteins are classified into 2 groupes: Internal proteins and Peripheral proteins. Proteins are much bigger that lippids andmove much slower. Carbohydrates are usually "branched Oligosaccharides and have less that 15 sugar units. Some of these are bonded the lippids forming molicules called glycolipids, can also be bonded to proteins called glycoproteins. The cell membrane is about 10 nanometers in thickness and has long projectiles that expand the surface area of the cell membrane.
Brandon Robinson
The cell membrane is the semi-permiable lining of an animal cell. It acts as a guard, meaning it will only let certain nutrients in and out. It also holds the cells structure together. The cell membrane contains many lipids and nutrients vital for the health and survival of the cell. The cell membrane is about ten nano meters thick. The cell membrane is is made up of 5% glycolipids, 30% sphingolipids, 1/3 cholesterol, and 2/3 phospholipids.
Dave Tran
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