In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[EX Q]: Question: What part of a mature plant cell is responsible for storing substances like water, enzymes, and salts? Answer: central vacuole
[EX A]: Central vacuole part of a mature plant cell is responsible for storing substances like water, enzymes, and salts.

[EX Q]: Question: Metabolic enzymes catalyze catabolic reactions that break down what? Answer: carbohydrates
[EX A]: Metabolic enzymes catalyze catabolic reactions that break down carbohydrates.

[EX Q]: Question: Proper chemical formulas for ionic compounds balance the total positive charge with what? Answer: total negative charge
[EX A]:
Proper chemical formulas for ionic compounds balance the total positive charge with total negative charge.