Why Is It Thought That a Val66Met Polymorphism Existing on the Gene

question 31

Multiple Choice

Why is it thought that a Val66Met polymorphism existing on the gene for BDNF may lead to decreased treatment responses to antidepressants (Horstmann & Binder, 2009; Shimizu, Hashimoto, & Iyo, 2004) ?

• A) This may accelerate dopamine metabolism.
• B) This may increase serotonin transporters levels.
• C) This may enhance the expression of GSK-3.
• D) This may lead to reduced levels of the TrkB receptors.

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Definitions:

Buyer's Willingness

The maximum amount a consumer is ready to pay for a good or service, reflecting the value they place on it.

Output Level

The quantity of goods or services produced by a firm or economy at a given time.

Price Discriminate

The practice of selling the same product to different customers at different prices, based on what each customer is willing to pay.

Profit Earn

The income a business receives after all expenses and costs are subtracted from total revenue.