A Mutation May Occur Spontaneously or by Exposure to a Mutagen

question 20

True/False

A mutation may occur spontaneously or by exposure to a mutagen.

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Definitions:

Hypotonic

Referring to a solution that has a lower concentration of solutes relative to another solution, thereby causing water to flow into the cell by osmosis.

Hypertonic

A solution that has a higher solute concentration compared to another solution, leading to osmosis out of the cell.

Isotonic

Describes two fluids that have identical solute concentrations.

Electron Transfer Chain

A sequence of protein complexes and small molecules involved in the transfer of electrons, which generates a gradient used to produce ATP in cells.