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Mike O.

asked • 03/30/20

When molecule A and molecule B are added to the cells, Inositol Triphosphate level decrease. What is molecule b?

context: when molecule A is added to the cells, increased levels of the 2nd messenger (inositol triphosphate (IP3) are detected. The receptor molecule A is binding to is Alpha 1 receptor and the first messenger is Epinephrine(adrenergic ligand). (I’m stumped what molecule b could be I’m thinking norepinephrine, but i do not know if when epi and NE are added to a cell IP3 decreases.)


‘also do you think the receptor site has a greater affinity for molecule A or B.

1 Expert Answer

By:

Mike O.

Thank you, yeah after some thought I was leaning toward an adrenergic antagonist like prazosin. This confirmed it.
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03/31/20

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