G-proteins: a. are activated by the binding of an extracellular ligand to a membrane receptor b. can be mutated in tumour cells c. mediate the action of glucocorticoid hormone d. they are inactivated by cholera toxins

G-proteins:
a. are activated by the binding of an extracellular ligand to a membrane receptor
b. can be mutated in tumour cells
c. mediate the action of glucocorticoid hormone
d. they are inactivated by cholera toxins
by

1 Answer

Answer :

are activated by the binding of an extracellular ligand to a membrane receptor
by

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