A Scientist Wants to Perform a Test That Will Indicate

question 46

Multiple Choice

A scientist wants to perform a test that will indicate whether a nucleic acid sample is composed of either RNA or DNA.Testing for the presence of which of the following is most appropriate in this situation?

• A)phosphate
• B)nitrogen
• C)guanine
• D)uracil
• E)thymine

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Definitions:

Learning

Learning is the process of acquiring new understanding, knowledge, behaviors, skills, values, or preferences, often as a result of study, experience, or teaching.

Memory

The cognitive ability to remember and recall previous experiences, events, facts, and impressions.

Negative Reinforcement

A psychological concept where the removal of an unfavorable event or outcome after the display of a behavior increases the likelihood of that behavior being repeated in the future.

Thorndike's Law Of Effect

A psychological principle stating that behaviors followed by satisfying consequences are more likely to be repeated, while those followed by unpleasant consequences are less likely to be repeated.