Biology, 10.03.2020 17:29 williamwc290
G protein‑coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs) are two basic receptor types by which cells transduce signals.
A) Classify each statement as describing GPCRs, RTKs, both types of receptors, or neither of these two types.
1. phosphorylation of receptor can terminate signal or desensitize receptor.
2. autophosphorylation of receptor can initiate signal.
3. structure contains seven transmembrane helices.
4. an example is the insulin receptor.
5. an example is the epinephrine receptor.
6. activate heterotrimeric G proteins directly.
Answers: 2
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G protein‑coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs) are two basic receptor type...
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