In which of the following metabolic conversions is ATP required during glycolysis?
(I)fructose-6-phosphate SYMBOL 174 \f "Symbol" fructose-1,6-bisphosphate
(II)glucose SYMBOL 174 \f "Symbol" glucose-6-phosphate
(III)fructose-1,6-bisphosphate SYMBOL 174 \f "Symbol" dihydroxyacetone phosphate + glyceraldehyde-3-phosphate
(IV)glucose-6-phosphate SYMBOL 174 \f "Symbol" fructose-6-phosphate

Question

Quizplus · Accepted Answer

ATP is required for the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate (I) and for the conversion of glucose to glucose-6-phosphate (II). These are the phosphorylation steps that invest ATP in the early phase of glycolysis.

In Which of the Following Metabolic Conversions Is ATP Required