Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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In muscle cells, when adrenaline binds to beta-adrenergic receptor, it trigger signaling cascade leading to active glycogen phosphorylate breaks up glycogen into glucose subunits (Glycogen -> G1P). Base on following figure, describe this signaling cascade:

adrenaline
adenylyl
cyclase
CYTOSOL
GDP
ATP
dissociated
R-subunit
of PKA
CAMP
inactive PKA
active
РКА
phosphorylase
kinase
glycogen
phosphorylase
GLYCOGEN
G1P
expand button
Transcribed Image Text:adrenaline adenylyl cyclase CYTOSOL GDP ATP dissociated R-subunit of PKA CAMP inactive PKA active РКА phosphorylase kinase glycogen phosphorylase GLYCOGEN G1P
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Step 1

The cell signalling process is the medium of communicating between different cells in our body and usually the signalling molecule or ligand is the mediator of this pathways.

Usually in the case of water soluble ligand molecules they binds with the cell surface receptor and activates the signaling cascade.

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