Vacuole {Ans: cell organelle that stores materials such as water, salts, proteins, and carbohydrates}Phospholipid bilayer {Ans: a double layer of phospholipids that makes up plasma and organelle membranes}Glucose transporter {Ans: molecule that spans external membrane of cell and transports glucose molecules from outside the cell to inside for use}Ribosome {Ans: An organelle that functions in the synthesis of proteins}Light microscope {Ans: microscope that uses a beam of light passing through one or more lenses to magnify an object}Hypotonic {Ans: less concentrated}