Term
| Hemoglobin molecules consist of 3 components. What are they? |
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Definition
1) globin polypeptides
2) iron
3) porphyrin ring |
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Term
| In general only ____% of iron intake is absorbed |
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Definition
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Term
| The major carrier of iron in the blood is the ___________ molecule, which carries the ______ version of iron. |
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Definition
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Term
| Iron is generally stored in ___________ or __________ molecules within the cell. |
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Definition
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Term
| In low iron situations, IRF (iron responsive factor) prevents____________ and ______________. |
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Definition
1) prevents TfR (transferrin receptor) mRNA from being degraded
2) prevents Ferritin mRNA from being translated |
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Term
| At high intracellular iron concentrations, IRF (iron responsive factor) allows for __________ and ________. |
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Definition
1)allows for TfR (transferrin receptor) mRNA degradation
2) translation of ferritin mRNA (more ferritin molecules) |
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