This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Fructokinase is necessary for production of 
Select and explain. 
A. Fructose-1-PO4, B. Fructose 1, 6 diphosphate, C. Fructose 6 phosphate, D. Glyceraldehyde
A: Fructose-1-PO4
Answer: A: Fructose-1-PO4 
Explanation: Fructose-1-PO4 

Fructokinase is necessary for the production of fructose- 1 -phosphate from fructose.