According to Fig 9.13, phosphate groups play a key role in receptor kinase activation by:
A. activating the receptor so that the receptor
is capable of binding its signal.
B. activating the dimerization of the receptor
kinase proteins in the membrane.
C. activating receptor kinase activity.
D. providing binding sites to recruit and
activate signal-transduction proteins.
E. All of these choices are correct.
D
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