If an Animal Cell Suddenly Loses the Ability to Produce

Multiple Choice

If an animal cell suddenly loses the ability to produce GTP, what will most likely happen to its signaling system?

A) It will not be able to activate G proteins on the cytoplasmic side of the plasma membrane.
B) It will be able to carry out reception and transduction but would not be able to respond to a signal.
C) It will use ATP instead of GTP to activate G proteins on the cytoplasmic side of the plasma membrane.
D) It will not be able to activate receptor tyrosine kinases.