Question

bio - 201 topic 2: cell physiology & tissues
practice it
what is tonicity?
the ability of a solution to conduct electricity.
the process of collecting and analyzing data from human tissue samples.
the concentration of solutes in a solution relative to the concentration of solutes in a cell.
the ability of a solution to dissolve other substances.
the measurement of the amount of light absorbed by a substance.

Explanation:

Tonicity in biology refers to the relative concentration of solutes in a solution compared to the concentration of solutes in a cell. It determines the direction of water movement across a semi - permeable cell membrane.

Answer:

The concentration of solutes in a solution relative to the concentration of solutes in a cell.