Cell signalling GPCRs
Authored by Simone Vaz
Biology
University
Used 32+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
GPCRs are also called ___ receptors
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the cAMP-PKA pathway, ___ is the effector protein.
cAMP
Protein Kinase A
Adenylyl cyclase
Phospholipase C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Increase in cAMP activates the transcription of specific genes that contain a regulatory sequence called the ___.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diacylglycerol is hydrophilic and enters the cytoplasm.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cGMP is a second messenger
6.
REORDER QUESTION
2 mins • 1 pt
Rearrange the steps involved in the initiation of Ca2+ flux by Epinephrine.
Kinases converts phosphatidylinositol (PI) to PIP2
Ca2+ is released from intracellular stores in the SER and mitochondria
Phospholipase C catalyzes cleavage of PIP2 to DAG & IP3
Inositol trisphosphate (IP3) binds to ligand-gated Ca2+ channels
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
___ family members contain Gα subunits that activate PLC-β.
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