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Water moves both ways across a membrane through a process called osmosis. Osmosis is the movement of water molecules from an area of higher concentration to an area of lower concentration, in order to balance the concentration on both sides of the membrane. This movement occurs through special channels in the membrane called aquaporins, which allow water to pass through while blocking other molecules.
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What is moving across a semi permeable membrane during osmosis?
Water molecules move across a semi-permeable membrane during osmosis. This process occurs from an area of high water concentration to an area of low water concentration in order to equalize the concentration of solutes on both sides of the membrane.
What is a condition of osmosis where water moves evenly back and forth across a membrane?
Osmotic equilibrium is the condition where water molecules move evenly back and forth across a semipermeable membrane to balance the concentration of solutes on both sides of the membrane.
Is it from high concentration to low that particles move across a membrane move?
Yes. It is called Osmosis. Particles move across the membrane in order to balance the concentration of particles on both sides of the membrane. Since the membrane tends to block the larger particles, its the smaller molecules that move, so what happens across membranes is that the motion (of say water) is from low concentration toward higher - but the result is to even the concentration on both sides of the membrane, Pure diffusion is always from higher concentration to lower.
What is the process that utilizes a carrier to move materials across the plasma membrane in the direction of the concentration gradient that does not use ATP?
Active Transport
Why do dissolved particles on one side of the membrane result in the diffusion of water across the membrane?
Dissolved particles on one side of the membrane results in the diffusion of water across the membrane due to the need to have the same solution concentration on both sides of the membrane. Water will diffuse from a hypotonic solution to a hypertonic solution.
If the inside and outside of a cell are both isotonic does water still move across the cell membrane?
no
What molecules move across membrane in osmosis?
In osmosis, water molecules move across a membrane from an area of higher water concentration to an area of lower water concentration, in order to balance out the concentration levels on both sides of the membrane. Other molecules, such as ions or solutes, do not typically move in osmosis unless they are coupled with water molecules.
How do the particles move in osmosis?
In osmosis, water molecules move across a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration. This movement helps to equalize the concentration of solutes on both sides of the membrane.
How does osmosis occur across a semipermeable membrane?
Osmosis occurs across a semipermeable membrane when water molecules move from an area of higher concentration to an area of lower concentration, in order to balance the concentration of solutes on both sides of the membrane.
What is moving across a semi permeable membrane during osmosis?
Water molecules move across a semi-permeable membrane during osmosis. This process occurs from an area of high water concentration to an area of low water concentration in order to equalize the concentration of solutes on both sides of the membrane.
What is a condition of osmosis where water moves evenly back and forth across a membrane?
Osmotic equilibrium is the condition where water molecules move evenly back and forth across a semipermeable membrane to balance the concentration of solutes on both sides of the membrane.
What is a passive tranport of water by diffusion?
Passive transport of water by diffusion is the movement of water molecules across a membrane from an area of higher concentration to an area of lower concentration, without the use of energy. This process occurs through specialized channels called aquaporins, which allow water to move freely across the cell membrane.
When will water move acroos a membrane?
There will be a net movement of water across a selectively permeable membrane from where the water is in high concentration to where it is in low concentration.
When the concentration of molecules on both sides of the membrane is the same the molecules will?
reach dynamic equilibrium. Answer : move across the membrane in both directions (equilibrium).
In osmosis What molecule does not move across the membrane?
In osmosis, large molecules like proteins and polysaccharides do not move across the membrane. Only smaller molecules such as water and ions can pass through the membrane during osmosis.
What molecules will move easily across the cell membrane: large proteins, starch, water, or DNA?
Water is the molecule that will move easily across the cell membrane. It can cross the membrane through special channels called aquaporins. Large proteins, starch, and DNA are too large to pass through the membrane without assistance.
How do particles move during osmosis?
During osmosis, water molecules move from an area of high water concentration to an area of low water concentration across a semipermeable membrane. This movement of water helps to equalize the concentration of solutes on both sides of the membrane. Particles themselves do not move during osmosis, rather it is the water molecules that move to balance the concentration of solutes.
