The Cftr Receptor Moves Chloride Ions Out of a Cell

A bowl of sugar water is very stable.If you feed it to cells it is rapidly broken down into carbon dioxide,water,and ATP.What is the best explanation for this reaction? A) Enzymes in the cells catalyze the breakdown of the glucose. B) Cells use energy to break down the glucose. C) Glucose becomes more chemically reactive inside of  cells. D) Glucose cannot be broken down outside of cells. E) Glucose is removed from the cells by active transport.

If a drug is designed to denature enzymes involved in digesting phenylalanine,why would patients treated with this drug develop phenylketonuria? A) They lack an enzyme to break down phenylalanine. B) They lack an enzyme to produce phenylalanine. C) They produce too much phenylalanine. D) They lack an inhibitor of an enzyme to break down phenylalanine. E) They eat more phenylalanine than most people.