44. In skeletal muscle, epinephrine stimulates glycogen breakdown primarily by activating: (A) Glycogen synthase (B) Protein phosphatase‑1 (C) Glycogen phosphorylase via phosphorylase kinase (D) Glucose‑6‑phosphatase

48. Which statement best explains why pentose phosphate pathway activity increases during oxidative stress? (A) NADPH directly activates ribose‑5‑phosphate synthesis (B) NADP⁺ accumulation activates glucose‑6‑phosphate dehydrogenase (C) ATP depletion stimulates the oxidative phase (D) Glutathione directly activates transketolase

44. In skeletal muscle, epinephrine stimulates glycogen breakdown primarily by activating:
(A) Glycogen synthase
(B) Protein phosphatase‑1
(C) Glycogen phosphorylase via phosphorylase kinase
(D) Glucose‑6‑phosphatase

相關試題

相關試卷

44. In skeletal muscle, epinephrine stimulates glycogen breakdown primarily by activating:(A) Glycogen synthase(B) Protein phosphatase‑1(C) Glycogen phosphorylase via phosphorylase kinase(D) Glucose‑6‑phosphatase

相關試題

相關試卷

44. In skeletal muscle, epinephrine stimulates glycogen breakdown primarily by activating:
(A) Glycogen synthase
(B) Protein phosphatase‑1
(C) Glycogen phosphorylase via phosphorylase kinase
(D) Glucose‑6‑phosphatase