In a Mutant E

question 25

Multiple Choice

In a mutant E.coli strain,there was a mutation in the malate dehydrogenase gene that resulted in a stop codon at amino acid position 14.From subcultures of this strain,a colony was obtained that was capable of making malate dehydrogenase.Your approach to examining this phenomenon should be to examine

• A)the DNA sequence to see if a reversion has occurred.
• B)the DNA sequence to see if a suppresor mutation has occurred.
• C)other proteins to see if other stop codons are ignored, indicating the presence of a suppresor tRNA.
• D)the DNA and plasmids for the incorporation of a second complete copy of the malate dehydrogenase gene.
• E)all of the above

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Definitions:

Individualism

A social theory favoring freedom of action for individuals over collective or state control, emphasizing personal independence and the importance of individual self-reliance and liberty.

Collectivist Perspective

An approach in psychology that focuses on the importance of cultural, social, and familial interdependence, emphasizing the community over individual achievement.

Psychopharmacology

The study of the use of medications in treating mental disorders, focusing on how drugs affect the mind and behavior.

Individualism

A cultural value or social outlook that emphasizes the importance of personal independence and self-reliance over group cohesion.