Answer the following question given this paragraph: 

Vacuoles are membrane-bound organelles that can have secretory, excretory, and storage functions. They are usually larger than vesicles.


Q: What are the membrane-bound organelles that are usually larger than vesicles and can have secretory, excretory, and storage functions?

 Choices:

- ribosomes

- tubules

- nucleolus

- vacuoles

A:
vacuoles
