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What is the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area?
The concentration gradient is the difference in concentration of a molecule between one area and an adjacent area. This difference creates a gradient that drives the movement of molecules from an area of higher concentration to an area of lower concentration, a process known as diffusion.
What is a different concentration between solutions on opposite sides of a semipermeable membrane called?
The difference in concentration between solutions on opposite sides of a semipermeable membrane is called a concentration gradient. This gradient drives the movement of molecules through the membrane, typically from an area of higher concentration to an area of lower concentration, in a process known as diffusion. If the movement occurs in response to this gradient, it can influence various biological and chemical processes.
How does the Concentration gradient of a substance affect the movement of that substance and the expenditure of energy?
A concentration gradient of a substance drives the movement of that substance from an area of high concentration to an area of low concentration. The steeper the concentration gradient, the faster the movement of the substance, requiring less energy to transport it. If the concentration on both sides of the gradient is equal, there is no net movement of the substance.
Net movement of water across a cell membrane occurs from what?
The net movement of water across a cell membrane occurs from an area of lower solute concentration to an area of higher solute concentration. This process is driven by the osmotic pressure gradient between the two sides of the membrane.
What is the process that moves particles from areas of higher concentration?
The answer is is OSMOSIS the spontaneous net movement of water across a membrane from a region of low concentration to a solution with a high concentration, down a solute concentration gradient.
The net direction that an ion or molecule moves is?
determined by the concentration gradient and electrical gradient across the membrane. If the net movement of ions or molecules is down their concentration gradient and towards the opposite electrical charge, they will move across the membrane.
The movement of molecule down a concentration gradient through transport proteins in the cell membrane is a type of?
facilitated diffusion.
Is the movement of molecules across a membrane down the concentration gradient a passive or active process?
The movement of molecules across a membrane down the concentration gradient is a passive process.
What is the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area?
The concentration gradient is the difference in concentration of a molecule between one area and an adjacent area. This difference creates a gradient that drives the movement of molecules from an area of higher concentration to an area of lower concentration, a process known as diffusion.
What is a different concentration between solutions on opposite sides of a semipermeable membrane called?
The difference in concentration between solutions on opposite sides of a semipermeable membrane is called a concentration gradient. This gradient drives the movement of molecules through the membrane, typically from an area of higher concentration to an area of lower concentration, in a process known as diffusion. If the movement occurs in response to this gradient, it can influence various biological and chemical processes.
How does the Concentration gradient of a substance affect the movement of that substance and the expenditure of energy?
A concentration gradient of a substance drives the movement of that substance from an area of high concentration to an area of low concentration. The steeper the concentration gradient, the faster the movement of the substance, requiring less energy to transport it. If the concentration on both sides of the gradient is equal, there is no net movement of the substance.
What is the random movement of molecules and ions down their concentration gradient called?
The random movement of molecules and ions down their concentration gradient (meaning from an area of high concentration to an area of low concentration) is called simple diffusion. Simple diffusion is related to the magnitude of driving force, permeability of the membrane, and surface area.
Which term describes the difference in the concentration of a substance across a cells membrane?
concentration gradient
A concentration gradient ceases to exist when?
A concentration gradient ceases to exist when there is an equal distribution of a substance across a space or membrane. This equal distribution results in no net movement of the substance from one area to another, causing the concentration gradient to reach equilibrium.
What type of molecule movement involves the use of ATP?
Active transport. This is movement of molecules against the concentration gradient.
Net movement of water across a cell membrane occurs from what?
The net movement of water across a cell membrane occurs from an area of lower solute concentration to an area of higher solute concentration. This process is driven by the osmotic pressure gradient between the two sides of the membrane.
What are the two forces that combine to produce an electrochemical gradient?
The two forces that combine to produce an electrochemical gradient are the concentration gradient, which is the difference in ion concentration across a membrane, and the electrostatic gradient, which is the difference in charge across a membrane. Together, these forces drive the movement of ions across the membrane.
