Which of the Following Provides a Negative Feedback for Heme

question 2

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:

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