Answer the following question given this paragraph: 

Most mature plant cells have a large central vacuole . This vacuole can make up as much as 90% of the cell’s volume. The central vacuole has a number of functions, including storing substances such as water, enzymes, and salts. It also helps plant tissues, such as stems and leaves, stay rigid and hold their shape. It even helps give flowers, like the ones in Figure below , their beautiful colors.


Q: What part of a mature plant cell is responsible for storing substances like water, enzymes, and salts?


A:
central vacuole