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Is a protein that forms an ion channel through a membrane is most likely to be a peripheral protein a trans membrane protein a phospholipid an enzyme or an entirely outside the phospholipid?
Wiki User
∙ 9y ago
A protein that forms an ion channel through a membrane is most likely to be a transmembrane protein.
Wiki User
∙ 9y ago
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Structure of a membrane?
Every cell membrane consists of phospholipid bi layer, specialized proteins, cholesterol and glycolipids.Every plasma membrane maintains a membrane resting potential across its surface. Sometimes clusters of cholesterol called lipid rafts are also found.
The cell membrane is made up of what?
Cell membranes consist of:a bilayer phospholipid (hydrophobic tails and hydrophyllic heads)cholesterolglycolipids (grow off phospholipids)glycoproteins (grow off proteins)intrinsic Proteins (passes through both layers)extrinsic proteins (passes through only one layer)a channel protein/ transport protein/carrier protein, allows big molecules (glucose) to pass through the cell membraneThese are the basic structures found on eukaryotic cells, although every cell is unique in its composition.
What channel can help move things across the membrane?
Protein channels help move particles across the cell membrane
How and why are embedded transport proteins selective of the molecules they allow through the phospholipid membrane?
they are protein structures with very specific 3D configurations, thus only specific molecules with complementary shape can fit into the transport (carrier or channel) proteins. - Woon Yeow
Are proteins found in the cell membrane?
There are many uses for proteins in a cell membrane but the most common ones are: 1. Facilitated diffusion- a protein acts almost like a channel to allow molecules that cannot fit across the phospholipid bilayer to diffuse into/out of the cell 2. Active transport- proteins are used to move particles across the membrane from low to high concentration, using energy. 3. As receptor molecules which take signals from things like hormones.
What is facilitated diffusion across the phospholipid membrane?
Facilitated diffusion is the movement a substance from high concentration to low concentration across a membrane through a transporter protein or channel
What are three components of the plasma membrane?
phospholipid bilayer, channel proteins, and carbohydrate chains
Structure of a membrane?
Every cell membrane consists of phospholipid bi layer, specialized proteins, cholesterol and glycolipids.Every plasma membrane maintains a membrane resting potential across its surface. Sometimes clusters of cholesterol called lipid rafts are also found.
What is the membrane a phospholipid bilayer?
It is the double wall of a cell membrane that regulates material passage. The cell membrane is called the phospholipid bilayer because the phospholipids form two distinct layers. In each layer, the phospholipid molecules lie with the hydrophilic "heads" at the membrane surface and the hydrophobic "tails" on the inside, in association with cholesterol and small quantities of other lipids.
What is the structure of plasma membrane?
The main structure of the plasma membrane is composed of the phospholipid bilayer. The phospholipid bilayer is composed of a spherical hypertonic head & a straight hypotonic tail which is designed to prevent the flow of unauthorized molecules & to maintain control of what enters & exits the cell. In order for a molecule to pass through, it must use one of multiple different methods of molecular transportation. The most common is the use of channel proteins. The molecule will travel through the channel protein based on its size & polarity-polar or non-polar.
The cell membrane is made up of what?
Cell membranes consist of:a bilayer phospholipid (hydrophobic tails and hydrophyllic heads)cholesterolglycolipids (grow off phospholipids)glycoproteins (grow off proteins)intrinsic Proteins (passes through both layers)extrinsic proteins (passes through only one layer)a channel protein/ transport protein/carrier protein, allows big molecules (glucose) to pass through the cell membraneThese are the basic structures found on eukaryotic cells, although every cell is unique in its composition.
What channel can help move things across the membrane?
Protein channels help move particles across the cell membrane
How and why are embedded transport proteins selective of the molecules they allow through the phospholipid membrane?
they are protein structures with very specific 3D configurations, thus only specific molecules with complementary shape can fit into the transport (carrier or channel) proteins. - Woon Yeow
What do the channel proteins in the cell membrane do?
Channel proteins, a type of transport proteins to the cells, move molecules from outside of the membrane to the inside
Are proteins found in the cell membrane?
There are many uses for proteins in a cell membrane but the most common ones are: 1. Facilitated diffusion- a protein acts almost like a channel to allow molecules that cannot fit across the phospholipid bilayer to diffuse into/out of the cell 2. Active transport- proteins are used to move particles across the membrane from low to high concentration, using energy. 3. As receptor molecules which take signals from things like hormones.
What is the channel in the nuclear membrane through which the RNA passes?
The nuclear PORE membrane
What proteins are on the surface of the cell membrane?
The cell membrane contains many integral membrane proteins (proteins permanently attached to the surface), over the entire of its surface. These may include integrins, cadherins, desmosomes, clathrin-coated pits, caveolaes, and different structures involved in cell adhesion (the binding of a cell to the membrane surface).
