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nmdcat.online June 27, 2026

When comparing the energy storage roles of starch in plants and glycogen in animals, glycogen is generally more highly branched, a feature that

A. Makes it an insoluble structural polymer
B. Allows for a more compact storage and rapid mobilization of glucose
✓
C. Prevents it from being hydrolyzed by animal enzymes
D. Converts it into a reducing sugar

📝 Explanation

The extensive branching of glycogen creates many non-reducing ends. Multiple glycogen phosphorylase enzymes can act simultaneously on these ends, allowing for a very rapid release of glucose monomers to meet high metabolic demands, particularly in muscles.

📖 Additional Information

  • Makes it an insoluble structural polymer
  • Allows for a more compact storage and rapid mobilization of glucose
  • Prevents it from being hydrolyzed by animal enzymes
  • Converts it into a reducing sugar

The extensive branching of glycogen creates many non-reducing ends. Multiple glycogen phosphorylase enzymes can act simultaneously on these ends, allowing for a very rapid release of glucose monomers to meet high metabolic demands, particularly in muscles.

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