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

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Definitions:

MATCH Function

A function in Excel and other spreadsheet applications that searches for a specified item in a range of cells, and then returns the relative position of that item.

Total Row

A feature in spreadsheet software that automatically calculates and displays the sum, average, count, or other statistics for data in a column.

Table Tools

A collection of tools or features in word processing and spreadsheet software designed to format, edit, and manage tables.

Descriptive Table Name

A clearly defined and meaningful name assigned to a table in a database to indicate its contents or purpose.