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Epinephrine at Work Word Scramble

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Created by: zeenat

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Question	Answer
STEP 1	Binding of epinephrine/norepinephrine changes shape of beta receptor -> activates G-Protein
STEP 2	G-Protein subunit activates adenylate cyclase
STEP 3	Adenylate cyclase catalyzes conversion of ATP to cAMP
STEP 4	cAMP activates protein kinase A
STEP 5	Protein kinase phosphorylates Calcium channels, influx on calcium in cell, stimulates contraction
STEP 6	protein kinase also phosphorylates calcium channels on sarcoplasmic reticulum. calcium then moves into the cytoplasm and stimulates contraction.
STEP 7	Protein kinase phosphorylates myosin, stimulates contraction
STEP 8	Protein kinase phosphorylates sarcoplasmic Calcium ATPase -> speeds removal of calcium from cytoplasm during relaxtion. decreases over relaxtion time.