If There Were a Technique That Allowed One to Isolate

question 36

Multiple Choice

If there were a technique that allowed one to isolate EGFR1 and EGFR2 at discrete steps along their activation pathway,which of the following would be isolated?

• A) A dimer in which EGFR2 contains phosphotyrosines but EGFR1 does not.
• B) A dimer in which EGFR1 contains phosphotyrosines but EGFR2 does not.
• C) A monomer of EGFR1 that contains phosphotyrosines.
• D) A monomer of EGFR2 that contains phosphotyrosines.

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