In general, a signal transmitted via phosphorylation of a series ...

[TI]

In general, a signal transmitted via phosphorylation of a series of proteins
A) brings a conformational change to each protein.
B) requires binding of a hormone to a cytosol receptor.
C) cannot occur in yeasts because they lack protein phosphatases.
D) requires phosphorylase activity.
E) allows target cells to change their shape and therefore their activity.

[coco]

In class, we found it was A. Good luck with the rest.

[TI]

Thank you, you were right!