A Student Analyzes a Genomic DNA Sequence of 100 Nucleotides

question 21

Multiple Choice

A student analyzes a genomic DNA sequence of 100 nucleotides in order to determine if it is part of a gene.When she translates the sequence beginning at the first nucleotide, she finds that the tenth codon is UAA.What should she do next?

• A)Tell her professor that the sequence does not represent an exon.
• B)Tell her professor that the sequence encodes a peptide with nine amino acids.
• C)Translate the sequence in the other five reading frames.
• D)Use the genomic DNA to make a cDNA of the sequence.

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Definitions:

Cleaning Compulsion

An obsessive need to clean or organize, often as a symptom of obsessive-compulsive disorder, where the action is driven by an attempt to reduce distress or anxiety.

Cognitive-Behavioral Theorist

A professional specializing in the study and application of cognitive-behavioral therapy, emphasizing the role of thinking and behavior in the development and treatment of psychological disorders.

Exposure And Response Prevention

A therapeutic strategy used primarily for obsessive-compulsive disorder that involves gradual exposure to anxiety-inducing stimuli combined with efforts to prevent the habitual response.

Obsessive-Compulsive Disorder

A mental disorder characterized by recurring unwanted thoughts (obsessions) and repetitive behaviors (compulsions) as a means to cope with anxiety.