How Many Codons Are There for Leucine

question 18

Multiple Choice

How many codons are there for leucine?

• A) two
• B) three
• C) four
• D) five
• E) six

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Definitions:

History Effect

As a threat to the internal validity of an experiment, refers to any outside event that is not part of the manipulation that could be responsible for the results.

Instrument Decay

As a threat to internal validity, the possibility that a change in the characteristics of the measurement instrument, including human observers, is responsible for the results.

Journal

A periodical publication that contains scholarly articles and research findings on a specific academic field or area of interest.

Exposure

refers to the extent or duration to which an individual is subjected to a particular environment, substance, or condition.