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Andrea's Mother Always Puts Special Napkins on the Table When

question 13

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Andrea's mother always puts special napkins on the table when she serves fried chicken, Andrea's favourite food. Now Andrea begins to salivate as soon as she sees the special napkins on the table. The unconditioned stimulus in this situation is


Definitions:

Lactose

A sugar present in milk and dairy products, consisting of glucose and galactose units.

Transcription

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

Allosteric Site

A region on an enzyme that binds to molecules in the cell, resulting in a change in the enzyme's activity; not the active site where substrate molecules bind.

Tryptophan Operon

A segment of DNA in bacteria that regulates the production of tryptophan by switching the genes responsible for its synthesis on or off.

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