A specific globin protein is expressed in frog circulatory systems. When a Weste

Question

A specific globin protein is expressed in frog circulatory systems. When a Western blot is performed on protein extracts from tadpole (larval frog) circulatory tissue, it is discovered that the probe binds to a protein with a mass of 25 kilodaltons. It binds to a protein with a mass of 40 kilodaltons when the same experiment is performed on adult frogs rather than tadpoles. Provide one possible explanation to account for this discrepancy in protein mass between tadpoles and adult frogs (there are several reasonable possibilities). A single sentence explanation is fine.

Explanation / Answer

May be , the apparent discrepencies are related to the difficulty in detecting the Igs antibodies. the similarity in the Igs of tadpoles and adult frog contrasts with the transition in the hemoglobin that occurs at metamorphosis.

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