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What does the term net movement mean for biology?
The water is not moving equilibrium.
What motion is the net movement of particles of a substance from areas of high concentrations to areas of low concentration?
Diffusion
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 net movement of substances to regions of lower concentration called?
This process is called diffusion. If the substance moving is water, it is called osmosis.
When diffusion is the net movement of a substance down a concentration gradient?
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration, driven by the concentration gradient. This net movement occurs until equilibrium is reached, where the concentration of the substance is uniform throughout the space. It plays a crucial role in various biological processes, such as gas exchange in the lungs and nutrient absorption in cells. Overall, diffusion is a passive transport mechanism that does not require energy input.
What is The net movement of particles of a substance from a high concentration to a low concentration?
DIFFUSION DIFFUSION
What does the term net movement mean for biology?
The water is not moving equilibrium.
What motion is the net movement of particles of a substance from areas of high concentrations to low?
DIFFUSION DIFFUSION
When does the net movement of osmosis stop?
The net movement of osmosis stops when the concentration of solute is equal on both sides of the membrane, resulting in equilibrium. At equilibrium, there is no further movement of water molecules across the membrane.
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 motion is the net movement of particles of a substance from area high concentration to areas of low concentration?
Diffusion
What motion is the net movement of particles of a substance from areas of high concentrations to areas of low concentration?
Diffusion
when does the net movement of osmosis and diffusion stop?
The net movement of osmosis and diffusion stops when the concentration of solute is the same on both sides of the membrane, creating an equilibrium. At this point, there is still movement of molecules back and forth, but there is no overall change in concentration.
Does molecular motion stop when diffusion stops?
No, molecular motion does not stop when diffusion stops. Molecular motion refers to the movement of molecules within a substance, which continues even when there is no net movement of molecules from one region to another (diffusion).
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.
When there is no difference in the concentration of a substance from one area to another?
When there is no difference in concentration of a substance from one area to another, we refer to this as equilibrium. At equilibrium, there is an equal distribution of the substance, and there is no net movement of the substance in any particular direction.
What processes could result in the net movement of a substance into a cell if the substance is more concentrated in the cell than in the surroundings?
Active transport or facilitated diffusion could result in the net movement of a substance into a cell if it is more concentrated inside the cell than in the surroundings. In active transport, energy is required to move the substance against its concentration gradient. In facilitated diffusion, specific carrier proteins help the substance move into the cell down its concentration gradient.
