The correct answer to this question is (B) The enzymes would not be able to function properly outside of their optimal pH range. This is how these enzymes would most likely function in an environment where the pH was doubled. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Enzymes. They don't need it
Somebody whose parathyroid is not functioning properly might suffer from kidney stones or osteoporosis, among other symptoms.
Hope that helped you.