The last one “Carlos es muy triste”
<span>
[She] had kindled the callow fancy of the most idle and shiftless of all
the village lads, and had conceived for this Howard Carpenter one of
those absurd and extravagant passions which a handsome country boy of
twenty one sometimes inspires in a plain, angular, spectacled woman of
thirty. (Willa Cather, "A Wagner Matinee")
</span>
The correct answer for the question that is being presented above is this one: "b. When histamine binds to the H1 receptor, the receptor undergoes a conformation change and binds the inactive G protein." The statement about the binding of histamine to the histamine H1 receptor is false is that <span>b. When histamine binds to the H1 receptor, the receptor undergoes a conformation change and binds the inactive G protein.</span>
I don’t understand what your asking !