Problem 12
An infant presented with multiple skeletal abnormalities, with the most prominent ones being a short trunk and short limbs. Urine was free of partially degraded oligosaccharides or oligosaccharides of protcoglycans. The blood sulfate concentration and extracellular acid hydrolase activity were normal. Sulfation is an important component of the synthesis of A. most proteoglycans. B. hyaluronate. C. most glycoproteins. D. conjugated bilirubin. E. all of the above.
Problem 13
What is the role of transaldolase and transketolase in the metabolism of glucose?
Problem 14
Essential fructosuria is a defect in fructokinase whereas fructose intolerance is a defect in fructose 1 -phosphate aldolase. Which of these two diseases leads to severe hypoglycemia after ingestion of fructose, and why?
