Use the Following Information to Answer the Next Few Questions

question 16

Multiple Choice

Use the following information to answer the next few questions.
A transfer RNA (#1) attached to the amino acid lysine enters the ribosome. The lysine binds to the growing polypeptide on the other tRNA (#2) in the ribosome already.
-Which of the following is not true of a codon?

• A) It consists of three nucleotides.
• B) It may code for the same amino acid as another codon.
• C) It never codes for more than one amino acid.
• D) It extends from one end of a tRNA molecule.
• E) It is the basic unit of the genetic code.

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Investigator

A person who carries out a formal inquiry or investigation, often in a professional context.

Empirical Approach

A method of inquiry that relies on direct observation and experiment to gather data and evidence.

Independent Variable

An element in research that is manipulated or changed to observe its effect on a dependent variable, thereby testing hypotheses in experimental studies.

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A state of agitation and fretfulness, commonly experienced over an approaching happening or an affair with an indeterminate end.