A Bowl of Sugar Water Is Very Stable

A bowl of sugar water is very stable.But if you feed it to cells it is rapidly broken down into carbon dioxide and water.What is the best explanation for this observation?

A) Glucose is removed from the cell by active transport.
B) Cells use energy to break down glucose.
C) Glucose cannot be broken down outside a cell.
D) Glucose becomes more chemically reactive inside a cell.
E) Enzymes in the cell catalyze the breakdown of glucosE.