The First Step of Glycolysis Is Phosphorylating Glucose to Make

Multiple Choice

The first step of glycolysis is phosphorylating glucose to make glucose 6-phosphate as shown below. Which of the following statements about this reaction is TRUE? Glucose + P_i → glucose 6-phosphate + H₂O ΔG = + 3.3 kcal/mol

A) This reaction releases energy.
B) This reaction is spontaneous.
C) This reaction cannot occur in the body.
D) This reaction must be coupled to another reaction to occur.
E) An enzyme is required to provide the energy for this reaction.