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BIO NMDCAT Carbohydrates
nmdcat.online June 27, 2026

The enzyme salivary amylase, which initiates starch digestion in the mouth, catalyzes the hydrolysis of internal α-1,4 glycosidic bonds. This mode of action classifies it as an

A. Exoglycosidase
B. Endoglycosidase
✓
C. Isomerase
D. Transferase

📝 Explanation

Endoglycosidases cleave glycosidic bonds internally within a polysaccharide chain, producing shorter oligosaccharides (dextrins). In contrast, exoglycosidases cleave sugar residues one at a time from the non-reducing end of the chain.

📖 Additional Information

  • Exoglycosidase
  • Endoglycosidase
  • Isomerase
  • Transferase

Endoglycosidases cleave glycosidic bonds internally within a polysaccharide chain, producing shorter oligosaccharides (dextrins). In contrast, exoglycosidases cleave sugar residues one at a time from the non-reducing end of the chain.

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