Which of the Following Drugs Produces a Stimulating Effect by Prolonging

question 486

Multiple Choice

Which of the following drugs produces a stimulating effect by prolonging the action of the transmitter chemicals?

• A)alcohol
• B)cocaine
• C)heroin
• D)nicotine

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Definitions:

Intron

Intervening sequence found between exons in mRNA; removed by RNA processing before translation.

Exon

Segment of mRNA containing the protein-coding portion of a gene that remains within the mRNA after splicing has occurred.

Adenine

One of the four nucleobase molecules in DNA and RNA, which pairs with thymine in DNA or uracil in RNA and is a fundamental component of genetic coding.

Thymine

A nitrogenous base found in DNA, pairing with adenine through hydrogen bonds.