All of the Following Naturally Occurring Chemical Substances Have Been

question 185

Multiple Choice

All of the following naturally occurring chemical substances have been shown to play a role in memory EXCEPT

• A)glutamate and acetylcholine.
• B)adrenaline and noradrenaline.
• C)estrogen and testosterone.
• D)dopamine and GABA.

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Definitions:

35S

A radioactive isotope of sulfur, often used in biological research to label molecules in studies of molecular biology and biochemistry.

32P

A radioactive isotope of phosphorus, used as a tracer in molecular biology to study processes such as DNA synthesis and phosphorylation.

Hershey and Chase

The Hershey-Chase experiment helped to prove that DNA is the molecule responsible for genetic information in organisms, using bacteriophages to demonstrate DNA’s role.

Mismatch Repair

A cellular mechanism that corrects DNA replication errors by removing and replacing incorrectly paired nucleotides.