Heinz Fraenkel-Conrat Induced Point Mutations in the Coat Proteins of TMV

question 19

Multiple Choice

Heinz Fraenkel-Conrat induced point mutations in the coat proteins of TMV and looked for mutations in the resulting proteins.By examining single-base changes in the mRNA,Conrat proved that

• A)the genetic code is overlapping.
• B)the genetic code is nonoverlapping.
• C)the genetic code is redundant.
• D)there are 20 amino acids.
• E)the genetic code is triplet.

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Definitions:

TAT

Thematic Apperception Test, a psychological assessment tool in which subjects create stories based on ambiguous images, used to reveal their underlying emotions, attitudes, and patterns of thought.

Thematic Apperception Test

A projective psychological test where subjects are shown pictures and asked to create a story, revealing their underlying motives, feelings, and attitudes.

Ambiguous Picture

An image or representation that can be interpreted in more than one way due to its unclear or indeterminate nature.

Stories

Narratives of real or imagined events, meant to entertain, teach, preserve culture, or instill morals, often structured with a beginning, middle, and end.