Which of the Following Is True for the Signalling System

question 6

Multiple Choice

Which of the following is true for the signalling system in an animal cell that lacks the ability to produce GTP?

• A)It would not be able to activate and inactivate the G protein on the cytoplasmic side of the plasma membrane.
• B)It could activate only the epinephrine system.
• C)It would be able to carry out reception and transduction but would not be able to respond to a signal.
• D)It would use ATP instead of GTP to activate and inactivate the G protein on the cytoplasmic side of the plasma membrane.
• E)It would employ a transduction pathway directly from an external messenger.

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