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When It Comes To Facilitated Diffusion What Is The Difference Between Ion Channels?
Wiki User
∙ 10y ago
Solutes are not necessarily ions.
Solute transporters and ion channels involve the moving of ions across a cellular membrane. Both a transporter and a channel have the same purpose, but different functions. Ion channels are proteins that open a pore often in the presence of a ligand, or a binding partner, that allows for a free flow of ions through its gap. A transporter is defined much the same, but involves an occluded state, or a state in which the ion is trapped within the protein, and must wait for either side of the protein to open before it can escape.
Technically, the difference between a transporter and an ion channel is very ambiguous as both seem to use very similar pathways. However, for clarity sake, channels are proteins which open a clear tunnel for passage. While transporters utilize stepwise changes in protein conformation which trap the ion and then allow it to move down to the other side of the membrane.
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoWhen it comes to Aquaporin proteins, it allows polar water molecules to get past the hydrophobic middle of the cell membrane. Also, when it comes to Ion channels, Membrane proteins create a tunnel through ehich can pass them. However, Ion Channels allow charged ions to get6 past the hydrophobic center.
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Why the line-with-gaps model is not suitable to explain facilitated diffusion?
The line-with-gaps model is a simplistic representation where molecules diffuse freely through gaps between protein channels. Facilitated diffusion involves specific protein carriers or channels that help transport molecules across a membrane, implying a more selective and regulated process than the passive diffusion model. The line-with-gaps model fails to capture the specificity and regulation involved in facilitated diffusion.
What is the difference between facilitated diffusion and diffusion?
The difference between diffusion and facilitated diffusion is that facilitated diffusion is that the molecules pass through special protein channels.
What are the similarities between diffusion and facilitated diffusion?
Both diffusion and facilitated diffusion are passive transport processes that move molecules from an area of high concentration to an area of low concentration. They do not require energy input from the cell. Additionally, both processes are influenced by factors such as concentration gradients and the presence of specific transport proteins.
What three methods allow exchange of molecules between cells and their surroundings?
The three methods are diffusion, facilitated diffusion, and active transport. Diffusion involves the movement of particles from an area of higher concentration to an area of lower concentration. Facilitated diffusion requires the assistance of transport proteins to move molecules across the cell membrane. Active transport uses energy to move molecules against their concentration gradient.
What are the factors needed for maintaining the direction of diffusion?
Maintaining the direction of diffusion relies on factors such as a concentration gradient (difference in concentration between two areas), permeability of the membrane through which substances are diffusing, and the presence of barriers or channels that guide the diffusion process in a specific direction. Additionally, factors such as temperature, pressure, and size of molecules can also influence the direction of diffusion.
What is the difference between diffusion and facilitate diffusion?
The difference between diffusion and facilitated diffusion is that facilitated diffusion is that the molecules pass through special protein channels.
What is the difference between passive diffusion and facilitated diffusion?
Passive diffusion is the movement of molecules across a cell membrane from an area of high concentration to low concentration without the need for a protein carrier. Facilitated diffusion, on the other hand, requires the presence of specific protein channels or carriers to help molecules move across the membrane.
What is the difference between facilitated diffusion and diffusion?
The difference between diffusion and facilitated diffusion is that facilitated diffusion is that the molecules pass through special protein channels.
What is the difference between facilitated diffusion with the help of a carrier molecule with the help of a transport protein?
Facilitated diffusion is a type of passive transport (does not require energy). It is called facilitated diffusion because it utilises the carrier protein to diffuse through it. Active transport requires energy to pump certain big molecules to cross over and this uses transport protein. Basically, the difference is just the usage of energy.
What is the similarity between simple diffusion and facilitated diffusion?
both need transport protein
What is the difference between facilitated diffusion with the help of a carrier molecule and active transport with help of a transport protein?
The carrier mole accompanies the transported mole through the plastic brain, and is then sent across the bran.sport teens channels are most likely very large and are as such bedded in the bi layer!
Compare and contrast between osmosis and facilitated diffusion?
Osmosis is when a solvent moves from a lower concentration to a higher concentration. Facilitated diffusion is when a solvent moves down the concentration gradient through carrier molecules.
Differences between active transport and facilitated diffusion?
Active transport requires energy in the form of ATP to move molecules against their concentration gradient, while facilitated diffusion uses carrier proteins to move molecules down their concentration gradient without requiring energy. Active transport can move molecules against their concentration gradient, while facilitated diffusion can only move molecules down their concentration gradient.
What are the differences between diffusion facilitated diffusion and osmosis?
Diffusion is the movement of molecules from an area of high concentration to low concentration. Facilitated diffusion involves the use of transport proteins to move specific molecules across the cell membrane. Osmosis specifically refers to the movement of water molecules across a selectively permeable membrane.
What are the similarities between diffusion and facilitated diffusion?
Both diffusion and facilitated diffusion are passive transport processes that move molecules from an area of high concentration to an area of low concentration. They do not require energy input from the cell. Additionally, both processes are influenced by factors such as concentration gradients and the presence of specific transport proteins.
Compare and contrast diffusion and facilitated diffusion?
Diffusion is the process by which particles move from an area of high concentration to an area of low concentration without the need for a transport protein. Facilitated diffusion is similar to diffusion but requires the assistance of specific transport proteins to move particles across a membrane. Both processes help maintain equilibrium within a cell or between cells and their environment.
What is the difference between dilute and dilution?
what is the difference between a diffusion and a dilution
