Metab Other Monosacc. Flashcards
0
Q
What enzyme converts fructose into fructose -1-phosphate
A
Fructokinase
1
Q
Does fructose promote insulin secretion
A
No and it is not insulin dependent for entry into cells
2
Q
What is a big reason the metabolism of fructose is quicker than glucose
A
It skips the regulatory step of glycolysis - PFK1
3
Q
Where is sorbitol dehydrogenase found
A
Liver
Ovaries
Seminal vesicles
4
Q
How can sorbitol account for some of the symptoms seen in diabetic pts
A
Excess sorbitol cannot be metabolized further
Builds up
Attracts water
5
Q
What is diagnostic in fructokinase deficiency
A
Fructose in urine
6
Q
What is hereditary fructose intolerance
A
Aldolase b deficiency
Severe disease
7
Q
What is a major symptom of galactokinase deficiency
A
Cataracts very early in life
