Cells That Respond to Peptide Hormones Usually Do So Through

question 9

Multiple Choice

Cells that respond to peptide hormones usually do so through a sequence of biochemical reactions involving receptor and kinase activation. In order for cells to respond, it is necessary for first and second messengers to communicate. This is possible because .

• A) hormones alter cellular operations through direct stimulation of a gene
• B) peptide hormones are converted by cell membranes enzymes into second messengers
• C) G protein acts as the link between first and second messengers
• D) the hormone receptor complex moves into the cytoplasm as a unit

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Definitions:

Northwest Ordinance

A significant legislative act passed in 1787 by the Confederation Congress, which set the protocols for the expansion and governance of territories in the Northwest and their path to statehood.

1787

The year notable for the drafting of the United States Constitution at the Philadelphia Convention.

Ordinance of 1784

A law drafted by Thomas Jefferson that regulated land ownership and defined the terms by which western land would be marketed and settled; it established stages of self-government for the West. First Congress would govern a territory; then the territory would be admitted to the Union as a full state.

Slavery

A system where individuals are owned by others, deprived of personal freedom and compelled to work without wages.