CELL VOCABULARY PRACTICE CELL VOCABULARY PRACTICE CELL WALL •What surrounds the cell membrane and gives the cell support? NUCLEUS •What directs the cell’s activities? CYTOPLASM •What is the jelly-like fluid in the cell membrane? CHLOROPLAST •What is the food producer in a plant cell? CELL •What is the smallest unit in an organism? CELL MEMBRANE •What is the outer covering of or animal cell? a plant VACUOLE •What is the sac-like structure of a cell that stores food and water until the cell needs it? MITOCHONDRIA •What are the cell parts that produce energy by breaking down sugar and nutrients the cell receives? ENDOPLASMIC RETICULUM •What is the transportation system within the cell?