In G-Proteins, Binding of GTP Causes Which of the Following

question 10

Multiple Choice

In G-proteins, binding of GTP causes which of the following to occur?

• A) association of the Gβ and Gγ subunits with a receptor tyrosine kinase
• B) dissociation of Gα from the dimer formed by Gβ and Gγ
• C) phosphoylation of Gα using the GTP as the phosphorylating agent
• D) guanylation of Gβ which promotes dissociation and activation of Gα
• E) none of the above

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Definitions:

Firm

A business organization that sells goods or services in order to make a profit.

Producer Surplus

The difference between what producers are willing to receive for a good or service and the actual amount they receive, due to the market price being higher.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance premiums.

Unavoidable Costs

Expenses that a company must pay regardless of its level of production or sales activity, also known as fixed costs.