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:

Financing Section

A part of the cash flow statement that shows the net flows of cash used to fund the company’s capital expenditures and financial investments.

Budgeted Income Statement

The Budgeted Income Statement is a financial forecast that projects a company’s revenues, expenses, and net income for a specific period.

Accrual Basis

An accounting method where revenue and expenses are recorded when they are earned or incurred, regardless of when cash is exchanged.

Cash Collections

The process of gathering all cash receipts and payments, including from sales, financing, or investment activities.