AP BIOLOGY

Detailed explanation-1: -An isotonic solution is any external solution that has the same solute concentration and water concentration compared to body fluids. In an isotonic solution, no net movement of water will take place.

Detailed explanation-2: -Complete answer: An isotonic solution is one that has the same concentration as another solution. If two solutions are separated by a semipermeable membrane, solution will flow in equal parts. As the concentration of solute and solvents are the same.

Detailed explanation-3: -Two solutions having the same osmotic pressure at a given temperature are known as isotonic solutions.

Detailed explanation-4: -An isotonic solution refers to two solutions having the same osmotic pressure across a semipermeable membrane. This state allows for the free movement of water across the membrane without changing the concentration of solutes on either side.

Detailed explanation-5: -Water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. At this point, equilibrium is reached. Red blood cells behave the same way (see figure below).