A TRNA with the Anticodon Sequence 5′ IUA 3′ Will

question 11

Multiple Choice

A tRNA with the anticodon sequence 5′ IUA 3′ will not normally exist because

• A)5′ UAA 3′ is a stop codon.
• B)I is not a base present in tRNAs.
• C)it will recognize codons for different amino acids.
• D)5′ UAU 3′ and 5′ UAC 3′ both specify tyrosine.

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Definitions:

Fitness Payoffs

The benefits to an organism's genetic contribution to the next generation resulting from a particular behavior or trait.

Nonreciprocal Altruism

Altruistic behavior where one individual benefits another without the expectation of the favor being returned.

Lions Hunt

A cooperative behavior exhibited by lions, primarily by the females of a pride, to strategically capture prey to feed the group.

Fitness Payoffs

The benefits in terms of survival and reproduction that an organism gains from a particular behavior or trait.