Question:medium

Identify the correct sequence of the Regulatory cascade of controlling glycogen breakdown. A. The active C Monomer of PKA activates Phosphorylase b kinase. B. Active Phosphorylase a catalyzes glycogen breakdown. C. Hormone binding activates adenylate cyclase. D. The active kinase converts the inactive phosphorylase b to active phosphorylase a. E. cAMP binds to the R-subunits of the PKA \(R_2C_2\) tetramer, causing their dissociation from C sub-units.

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For glycogen breakdown cascade, remember the order: Hormone \(\rightarrow\) cAMP \(\rightarrow\) PKA \(\rightarrow\) phosphorylase kinase \(\rightarrow\) phosphorylase a \(\rightarrow\) glycogen breakdown.
Updated On: May 18, 2026
  • A, B, E, D, C
  • A, C, D, E, B
  • C, D, A, E, B
  • C, E, A, D, B
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The Correct Option is D

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