When body cells need more iron,the number of transferrin receptors on the cell surface
A) increases.
B) decreases.
C) remains unchanged.
Correct Answer:
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Q1: The richest sources of iron in the
Q2: Which nutrient increases the absorption of non-heme
Q4: The hemoglobin molecule
A)contains 4 heme compounds.
B)carries oxygen
Q5: Most of the iron in the body
Q6: Approximately _ of iron used each day
Q7: Hemoglobin,cytochromes,and myoglobin all contain
A)selenium.
B)zinc.
C)iron.
D)iodine.
Q8: Which type of dietary iron is most
Q9: Ferritin and hemosiderin are
A)storage forms of iron.
B)zinc-containing
Q10: Ceruloplasmin is
A)a zinc-containing enzyme in the intestinal
Q11: Excess intake of zinc supplements can reduce
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