The protein hephaestin is involved in iron uptake. Which of the following statements about this protein is correct? It is a cellular source of reactive oxygen species (ROS), which must be detoxified by other proteins to avoid damage to biological molecules. The products of the reaction catalysed by the protein are Fe(III) and water. The protein acts to transfer electrons from a copper-containing centre to Fe(II). The protein is down-regulated in the presence of high levels of the hormone hepcidin. It is an extracellular protein.
The protein hephaestin is involved in iron uptake. Which of the following statements about this protein is correct? It is a cellular source of reactive oxygen species (ROS), which must be detoxified by other proteins to avoid damage to biological molecules. The products of the reaction catalysed by the protein are Fe(III) and water. The protein acts to transfer electrons from a copper-containing centre to Fe(II). The protein is down-regulated in the presence of high levels of the hormone hepcidin. It is an extracellular protein.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter24: Biochemistry
Section24.1: Proteins
Problem 3RC
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Transcribed Image Text:The protein hephaestin is involved in iron uptake. Which of the following statements about this protein is correct?
It is a cellular source of reactive oxygen species (ROS), which must be detoxified by other proteins to avoid damage to
biological molecules.
The products of the reaction catalysed by the protein are Fe(III) and water.
The protein acts to transfer electrons from a copper-containing centre to Fe(II).
The protein is down-regulated in the presence of high levels of the hormone hepcidin.
It is an extracellular protein.
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