The Length of Time a G Protein Will Signal Is

question 26

Multiple Choice

The length of time a G protein will signal is determined by the

• A)activity of phosphatases that turn off G proteins by dephosphorylating Gα.
• B)activity of phosphatases that turn GTP into GDP.
• C)degradation of the G protein after Gα separates from Gβγ.
• D)GTPase activity of Gα.

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Definitions:

Sharecropping

An agricultural system where tenants agree to work a landowner's land in return for a share of the crops produced on their portion of land.

Southern Economy

Historically, the economy of the southern United States, which was heavily reliant on agriculture, particularly the cultivation of cotton and other cash crops, and was significantly impacted by slavery until the Civil War.

Planter Families

Wealthy families in the American South before the Civil War, who owned large plantations and numerous slaves to work on these estates.

Physical Labor

refers to work that involves manual, bodily effort; tasks that demand physical strength, as opposed to mental or clerical work.