Question

Definition of hypotonic solution isotonic solution and hypertonic solution​

Answer 1

Answer: hypotonic solution- a lower concentration of solutes than another solution

isotonic solution- a solution that contain equal concentrations of impermeable solutes on either side of the membrane and so the cell neither swells nor shrinks.

hypertonic solution​- A solution that contains more dissolved particles (such as salt and other electrolytes) than is found in normal cells and blood.

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Answer 2

Hypotonic solution: lower concentration of solutes compared to a medium or reference solution.

Isotonic solution: same concentration of solutes compared to another solution.

Hypertonic solution: higher concentration of solutes compared to another one.

Step-by-step explanation:

A solution is a mixture where a solute is diluted in a solvent that is usually homogeneous, and the solute and solvent do not interact through chemical reactions.

In biology, we speak of hypertonic, isotonic and hypotonic solutions when comparing intracellular and extracellular media at a given time. Taking as reference the cellular cytoplasm:

• Hypotonic: lower concentration of solutes in the extracellular space
• Isotonic: the same concentration of solutes, with respect to the cytoplasm
• Hypertonic: higher concentration of solute in the extracellular space.

The difference in concentrations given by the hypotonic and hypertonic solutions define the dynamics of the movement of solutes or water through the cell membrane, forming gradients, where a solute passes from the place of highest concentration to the place of lowest concentration, or the water passes from the medium with the lowest concentration of solutes to the one with the highest concentration.