Which One of the Following Is the First Step in the Sequence

question 13

Multiple Choice

Which one of the following is the first step in the sequence of actions in the G-protein receptor activity cycle?

• A)α chain activates a target protein.
• B)Neurotransmitter binds with receptor.
• C)Membrane channels open,or intracellular target proteins are activated.
• D)Receptor protein changes shape.

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Definitions:

Old World Diseases

Diseases originating in the Eastern Hemisphere, especially Europe, Asia, and Africa, often brought to the Americas and affecting populations with no prior exposure.

African Slavery

The forced bondage and labor of African people, prominently before the 19th century, in various parts of the world, especially significant in the history of the Americas.

Virginia

A state in the United States with significant historical importance, being the first permanent English colony in America.

Slave Ships

Vessels used to transport enslaved Africans across the Atlantic Ocean to the Americas in the transatlantic slave trade.