QUIZ 2 STUDY GUIDE Define each of the following terms... Cell Wall: A tough structure outside the cell membrane that supports and protects the cell (animal cells do not have these) Cell Membrane: Surrounds the cell and only allows certain materials to move into and out of the cell Nucleus: Directs all the activities of the cell. It is like a mananger of the cell Vacuole: A temporary storage place for the cell (like a suitcase) Vesicles: Transports protein packages created by teh golgi bodies Ribosomes: Helps to create protein Golgi Bodies: Packages and moves proteins to the outside of the cell Mitochondria: Releases energy for the cell Lysosomes: Digests wastes and worn-out cell parts Endoplasmic Reticulum: Moves materal around the cel, like a system of conveyor belts Cytoplasm: Gel-like material inside the cell membrane and outside the nucleus Chloroplasts: Takes in sunlight, water and carbon dioxide and converts it to food Prokaryote Cells: Cells that DO NOT have a nucleus Eukaryote Cells: Cells that have a nucleus Tissue: A group of like cells that group together to make an organ Organ: A structure (such as a heart, kidney, ttc.) that is made of tissues and performs some specific function in an organism Organ System: Organs working together for a specific function QUESTION: What are 3 ways that plant and animal cells are different? ANSWER: (1) Plant cells have chloroplasts. (2) Plant cells have a large central vacuole, while animal cells have smaller vacuoles. (3) Plant cells have a cell wall.