Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: After Audrey drinks a glass of juice, digestive processes deliver glucose to the bloodstream. From the bloodstream, glucose molecules enter the cell. In order for glucose molecules to be used by the cell, glucose-specific enzymes must do what?
Convert glucose to energy (glycolysis and cellular respiration).