The iron extracted from heme molecules during hemoglobin recycling is stored in the protein-iron complexes __________.

a. ferritin and hemosiderin
b. urobilin and stercobilin
c. transferrin and porphyrin
d. biliverdin and bilirubin


Answer: a. ferritin and hemosiderin

Anatomy & Physiology

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Cells produce and respond to chemical and electrical signals as a means of

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A) ?Hemophilia B) ?Thrombocytopenia C) ?Leukemia

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The ankle joint is an example of a ________ joint

A) condylar B) saddle C) hinge D) ball-and-socket E) plane

Anatomy & Physiology