The Genetic Code Is Said to Be Redundant or Degenerate

question 97

Multiple Choice

The genetic code is said to be redundant or degenerate. This means that

• A) a single tRNA can mediate the addition of several different amino acids to the growing protein chain.
• B) for each type of amino acid, there is only one transfer RNA which can mediate its addition to the growing protein chain.
• C) three amino acids in the protein chain are specified by each codon.
• D) three bases in mRNA are required to specify one amino acid in the protein chain.
• E) there may be more than one codon for a given amino acid.

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Definitions:

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