answersLogoWhite

0

Osmosis

Osmosis is the passing of liquid, through a semipermeable material, from a low solute concentration to a high solute concentration.

931 Questions

What molecules move during osmosis?

During osmosis, water molecules move across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. Other molecules (solute particles) may also move along with the water molecules if they are small enough to pass through the membrane.

What does osmosis have to do with dehydration?

Osmosis has everything to do with dehydration. You see, osmosis is the process by which water is diffused across a selectively permeable membrane from a high to low concentration. The way the water diffuses depends on its environment or more accurately the relative concentration of solutes on the two sides of the membrane. This is simple if a cell is hypotonic to the solution outside of it then it will gain water and swell, in an isotonic state it it stays normal, and in a hypertonic state water will leave the cell and make the cell shrivel up. Dehydration is a result of cells being in a hypertonic environment and making water leave the cell.

What are three characteristics of osmosis?

  1. Osmosis is the movement of water molecules from an area of high water concentration to an area of low water concentration through a selectively permeable membrane.
  2. Osmosis is a passive process that does not require energy input from the cell.
  3. Osmosis helps in maintaining the balance of fluids inside and outside the cell.

How is dried fruit an example of Osmosis?

Osmosis is the movement of water from an area of high water concentration to an area of low concentration across a permeable barrier. In this case, the area of high concentration is the fruit and the area of low concentration the air surrounding it, water will move down a concentration gradient into the air.

How is osmosis the same as diffusion?

Osmosis and diffusion are similar in that they both involve the movement of particles from an area of higher concentration to an area of lower concentration. The main difference is that osmosis specifically refers to the movement of water molecules across a semipermeable membrane.

Differentiate between osmosis and diffusion?

Osmosis is the movement of water molecules across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration, without the need for a membrane. Osmosis specifically involves water molecules, whereas diffusion can occur with various types of molecules.

How does salt effect the rate of osmosis?

Salt affects the rate of osmosis by increasing the osmotic pressure of a solution. This makes it harder for water molecules to move through a semi-permeable membrane, slowing down the rate of osmosis. Higher salt concentrations result in a slower rate of osmosis compared to lower salt concentrations.

What is the process by which a substance is released from the cell through a vesicle that fuses with the membrane to let the substance out?

This process is called exocytosis. It involves the fusion of a vesicle containing the substance with the cell membrane, allowing the substance to be released outside the cell. Exocytosis is a vital cellular process for the secretion of molecules such as hormones, enzymes, and neurotransmitters.

Is osmosis a solvent?

No, osmosis is not a solvent. Osmosis is the process of water moving from an area of low solute concentration to an area of high solute concentration through a semipermeable membrane. The solvent in osmosis is usually water.

What are the 3 stages of osmosis?

The three stages of osmosis are isotonic, hypotonic, and hypertonic. In an isotonic solution, there is no net movement of water molecules. In a hypotonic solution, water moves into the cell, causing it to swell. In a hypertonic solution, water moves out of the cell, leading to cell shrinkage.

How osmosis and diffusion are alike?

Answer

diffusion- movement of molecules from higher proportion to lower proportion
osmosis - movement of water molecules from a more CONCENTRATED solution to less concentrated solution

Does osmosis require oxygen?

No, osmosis does not require oxygen. Osmosis is the movement of water molecules across a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration, without the need for energy or oxygen.

How does boiling a potato effect osmosis?

Boiling the potato destroys the cell membrane which is a partially permeable membrane. Thus osmosis is unable to occur as osmosis occurs through a partially membrane and only diffusion would occur.

Which side of a selectively permeable membrane does osmosis exert a pressure?

It exerts pressure on the side with a higher concentration of water.

Osmosis and raw egg and salt?

When a raw egg is placed in a saltwater solution, osmosis occurs. The salt concentration outside the egg is higher than inside the egg, so water moves out of the egg to try to balance the concentration. This causes the egg to shrink and become dehydrated.

How are osmosis and diffusion similar and how are they different?

Osmosis is where the water or other particles go from an area of higher concentration to an area of lower concentration. This is often against a pressure gradient. This type of reaction involves a process known as ACTIVE TRANSPORT where ATP (adenotriphosphate) is required (energy required).

Diffusion is where the products even themselves out through a given solution. This process is done by passive transport, where NO energy or ATP are required.
Osmosis is diffusion through a semi-permeable membrane.

What diffusion is lower concentration to a higher concentration?

This process is called active transport, where cells use energy to move molecules against their concentration gradient, from an area of lower concentration to a higher concentration. This mechanism allows cells to maintain specific intracellular concentrations of certain molecules that are different from their surroundings.

How do you demonstrate osmosis?

If you mean as in a drawing, then it is a line or outer covering (cell wall) and atoms trying to get through to them. Have two different kinds. That's all i can help you with right now. Hope I helpes :o

What is the antonym of osmosis?

The antonym of osmosis is diffusion. Diffusion is the process of particles moving from an area of high concentration to an area of low concentration, whereas osmosis is specifically the movement of water molecules across a semipermeable membrane.

Why does water move during osmosis?

Water moves during osmosis because it seeks to equalize the concentrations of solutes on both sides of a semi-permeable membrane. This process occurs to balance the concentrations of solutes, leading to the movement of water from an area of higher concentration to an area of lower concentration.

Is osmosis the same as diffusion?

No, osmosis is a specific type of diffusion where solvent molecules move through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration. Diffusion, on the other hand, is the movement of particles from an area of high concentration to an area of low concentration.

Can you explain osmosis?

Osmosis the the diffusion of molecules across a semi-permeable membrane. For diffusion, think of a cube of sugar in a glass of water. eventually the sugar molecules will be evenly distributed throughout the glass of water. If this were osmosis the cube of sugar would be on one side of a membrane (all of which is submerged underwater), and if the holes in the membrane are big enough, then the sugar will cross the membrane from the sugar side to the side with no sugar. Osmosis is biologically relevant because for a cell to function properly it needs to keep certain molecules inside the cell or outside, depending on what it wants to do. It has three solutions hypertonic, hypotonic, and isotonic. Isotonic, the solutions being compared have equal concentration of solutes. The cells were diluted in serum: Note the beautiful biconcave shape of the cells as they circulate in blood. Hypertonic, the solution with the higher concentration of solutes. The cells in serum were diluted in water: At 200 milliosmols(mOs), the cells are visisbly swollen and have lost their biconcave shape, and at 100 mOs, most have swollen so much that they have ruptured, leaving what are called red blood cells ghosts. In a hypot Hypotonic, the solution with the lower concentration of solutes.
A special type of diffusion through a membrane

____________________________________________________________

Passage of a solvent (such as water) from a lower-concentration solution to a higher-concentration solution, through a semi-permeable membrane (that allows the solvent to pass but not what is dissolved in it) separating the two solutions. The flow of solvent stops when both solutions become equal in concentration. In nature, osmosis is an essential process by means of which nutrients are delivered to the cells. See link below.

How is osmosis and diffusion alike?

Diffusion is the movement of particles from where there are lots of them, to where there are less of them. Osmosis is the same thing basically, but osmosis is only with water particles.

What is The importance of diffusion and osmosis?

DIFFUSION :- Diffusion is a major process involve in the transfer of molecules across the cell membrane, these molecules may be solid food stuff, waste products, drugs, hormones, enzymes etc.

OSMOSIS:- Osmosis is useful in the transport of water, dissolve salts and mineral ions. It is also helpful in maintaining water level in plasma.

Moreover these processes are involved in absorption of food materials and water from intestine.