In Studying an E

question 2

Multiple Choice

In studying an E.coli strain containing a known frameshift mutation,you isolate a mutant in which this frameshift is suppressed.You therefore expect to find which of the following associated with the suppression? (Assume the frameshift has not been corrected in the coding for the peptide.)

• A)suppressor tRNAs encode an amino acid for a stop signal
• B)suppressor tRNAs encode a four-nucleotide anticodon
• C)suppressor tRNAs encode a two-nucleotide anticodon
• D)both choices B and C
• E)all of the above

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Definitions:

Vertical Analysis

A financial analysis method that expresses each item in a financial statement as a percentage of a base figure, facilitating comparisons.

Balance Sheet

A summary detailing the assets, dues, and shareholders' stake in a corporation at a fixed point in time.

Income Statement

A financial document that shows a company's revenues, expenses, and net income over a specific period of time.

Fiscal Period

A specified period of time used for financial reporting and budgeting, typically a year, quarter, or month.