Statement A is true. Hexokinase or glucokinase catalyzes the phosphorylation of glucose.
Statement B is false. The phosphorylation actually traps glucose in the cell because G6P cannot easily cross the cell membrane.
Statement C is true. This step consumes ATP, marking the beginning of the energy investment phase of glycolysis.

Statement D is true. The product of this reaction, G6P, can inhibit hexokinase, thus regulating the glucose uptake based on the cell's energy needs

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