Scenario While Working with Cultured Mouse Cells, a Researcher Unknowingly Treated

question 59

Multiple Choice

Scenario
While working with cultured mouse cells, a researcher unknowingly treated the cells with a mutagen that causes the deletion or insertion of individual nucleotides in DNA. Subsequently, the researcher isolated and cultured a single cell from this group and noticed that the progeny of this cell were not producing a certain protein, and that this affected their survival.
-The mutation that resulted from the accident was probably ________.

• A)an amino acid substitution
• B)one that changed the triplet grouping of the genetic message
• C)an error in translation
• D)a loss in regulation of gene expression

---

Definitions:

Inequality

A mathematical statement that uses symbols to show that two quantities are not equal and involves relationships like less than, greater than, less than or equal to, and greater than or equal to.

Solve

The method of identifying a solution or resolution for a mathematical equation or problem.

Inequality

A mathematical statement illustrating the relationship between two expressions that are not equal, using symbols such as <, >, ≤, or ≥.

Absolute Value

The distance of a number from zero on the number line, regardless of direction; denoted by |x|.