23 下列那一個糖解酵素會受到升糖素(glucagon)的影響?
(A)己糖激酶(Hexokinase)
(B)乳酸脫氫酶(Lactate dehydrogenase)
(C)三碳糖磷酸異構酶(Triose phosphate isomerase)
(D)丙酮酸激酶(Pyruvate kinase)
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統計: A(3), B(0), C(0), D(0), E(0) #1045702
統計: A(3), B(0), C(0), D(0), E(0) #1045702
詳解 (共 1 筆)
#3263920
glucagon會活化肝臟的GPCR傳訊→Gs→adenylyl cyclase→cAMP↑→PKA→
磷酸化
(1)Pyruvate kinase:抑制Pyruvate kinase-不走glycolysis
(2)PFK2/FBPase-2:抑制PFK2,活化FBPase-不走glycolysis,走gluconeogenesis
(3)glycogen phosphorylase:活化glycogen phosphorylase-肝醣分解
(4)glycogen synthase:抑制glycogen synthase-肝醣不合成
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