Researcher A studies the protein interactions involving the polypeptides that comprise hemoglobin, while Researcher B studies protein interactions between a protein kinase and its target protein. Researcher A will therefore focus on ____, and researcher B will focus on ____.

Question

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Researcher A, studying the interactions within hemoglobin (a stable, multi-subunit protein), focuses on permanent protein interactions. Researcher B, examining the interactions between a kinase and its target (often a reversible, regulatory interaction), deals with transient protein interactions.

Researcher a Studies the Protein Interactions Involving the Polypeptides That