Which of the Following Provides a Negative Feedback for Heme

question 1

Multiple Choice

Which of the following provides a negative feedback for heme synthesis,thus helping to control,by decreasing,its synthesis?

• A)concentration of heme in the developing RBC
• B)concentration of hemoglobin in blood
• C)concentration of globin chain in the developing RBC
• D)number of RBCs in circulation

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Definitions:

John Winthrop

An English Puritan lawyer and one of the leading figures in founding the Massachusetts Bay Colony, the second major settlement in New England following Plymouth Colony.

City Upon a Hill

A metaphor from a sermon by Puritan leader John Winthrop, this term highlights the belief that the American colonies had a special mission to serve as a beacon of purity and morality.

Puritans

A collective of Reformed Protestants in England during the 16th and 17th centuries aimed to cleanse the Church of England of its practices deemed "Catholic".

British Colonization

The process by which Britain established and expanded colonies overseas between the 16th and 20th centuries.