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Animation: Hemoglobin Breakdown
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View the animation below, then complete the quiz to test your knowledge of the concept.






1In the breakdown of hemoglobin, the globin chains...
A)are converted into biliverdin by macrophages.
B)are converted into bilirubin by macrophages.
C)are broken down by macrophages into amino acids.
D)are stored in various tissues.
E)contribute to the color of feces.



2In the breakdown of hemoglobin, the iron...
A)is transported by transferring to the liver.
B)is transported by transferring to the spleen.
C)is transported by transferring to the red bone marrow.
D)all of the above.
E)none of the above.



3The sequence in the breakdown of the non-iron portion of the heme is...
A)heme, bilirubin, biliverdin, conjugated biliverdin, biliverdin derivatives, feces and urine.
B)heme, biliverdin, bilirubin, conjugated bilirubin, bilirubin derivatives, feces and urine.
C)heme, bilirubin, conjugated biliverdin, biliverdin, biliverdin derivatives, feces and urine.
D)heme, biliverdin, conjugated bilirubin, bilirubin, bilirubin derivatives, feces and urine.
E)heme, conjugated biliverdin, biliverdin, bilirubin, conjugated bilirubin, feces and urine.



4Free bilirubin is transported by the blood to the liver.
A)True
B)False



5Iron is transported in the blood by transferrin.
A)True
B)False







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