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BIO NMDCAT Carbohydrates
nmdcat.online June 27, 2026

The synthesis of sucrose from glucose and fructose in plants is an anabolic process that requires the activated form of glucose, which is

A. Glucose-6-phosphate
B. Uridine diphosphate glucose (UDP-glucose)
✓
C. Adenosine diphosphate glucose (ADP-glucose)
D. Glucose-1,6-bisphosphate

📝 Explanation

The synthesis of sucrose involves UDP-glucose as the glucosyl donor. The reaction is: UDP-glucose + Fructose-6-phosphate → Sucrose-6-phosphate + UDP. ADP-glucose is the activated monomer for starch synthesis.

📖 Additional Information

  • Glucose-6-phosphate
  • Uridine diphosphate glucose (UDP-glucose)
  • Adenosine diphosphate glucose (ADP-glucose)
  • Glucose-1,6-bisphosphate

The synthesis of sucrose involves UDP-glucose as the glucosyl donor. The reaction is: UDP-glucose + Fructose-6-phosphate → Sucrose-6-phosphate + UDP. ADP-glucose is the activated monomer for starch synthesis.

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