G protein coupled receptors play an important role in signal transduction in many cells. Label the four essential components of the G protein coupled receptor signaling system (blanks a-d in the picture) by choosing from the menus below. a b a. Each answer will be used at most once, while some will not be used at all (select one for each): Group of answer choices ww C b. transcription factor Show Transcribed Text d transcription factor transcription factor transcription factor receptor receptor receptor receptor G protein G protein G protein G protein second messenger second messenger second messenger second messenger enzyme enzyme enzyme enzyme steroid hormone steroid hormone steroid hormone steroid hormone

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A: Transphosphorylation of receptor tyrosine kinase activates JAK2.

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A: ANSWER;-

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Q: mbrane receptor kinases are activated by: a. steroid hormones

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