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Name: ________________________ Homeroom: _________________ Unit A, Chapter 1 Cells and Kingdoms Study Guide LESSON I - Cells Pp. 22 – 23 What are Cells? 1. What is an organism? ______any living thing that can carry out life on its own__________ _______________________________________________________________________ 2. What is a cell? _________the smallest unit of living matter_________________________ _______________________________________________________________________ 3. A one-celled organism is called __unicellular____. A many-celled organism is called _____multicellular_________________. Pp. 24 – 25 What is inside an animal cell? 4. What are the basic structures inside of cells that help them perform life processes? ____organelles______ 5. What is the function of the cell membrane? ____It surrounds the outside of the cell, controls what goes in and out of the cell, and gives the cell its shape._________________ ________________________________________________________________________ 6. What is the function of cytoplasm? ___It is a gel-like liquid that fills the cell and supports all its structures.__________________________________________________________ 7. What is the function of the nucleus? ___It is the “control center” of the cell and sends signals to all the other parts of the cell.________________________________________ 8. What is the function mitochondria? ___They supply energy for the cell by breaking down food, which releases energy for the cell to use._______________________________________ 9. What is the function of vacuoles? ______It stores food, water and wastes. The nucleus tells the vacuoles when to release the wastes.______ Pp. 26 – 27 What is inside a plant cell? 10. How is a plant cell like an animal cell? ______It has many of the same structures and organelles_______________________________________________________________ 11. How is a plant cell different from an animal cell? ___It has a boxlike shape and is larger than an animal cell. It also has some organelles that animal cells do not have.___ 12. What is the function of the cell wall? __It is a covering on the outside of the cell that gives the plant cell strength and extra support._______________________________________ 13. What is the function of the chloroplasts? _____A green structure where the energy from sunlight is used to produce food for the plant___________________________________ 14. What is chlorophyll? _____A green chemical in plant cells that allows plants to use the Sun’s energy to make food. Chlorophyll is found in the chloroplasts.________________ 15. What is different about the function of the vacuole in a plant cell? ____________________ ___It is large and provides extra support. It helps keep the plant from drying out_______ by releasing extra water it stores._____________________________________________ P. 28 How are cells organized? 16. What is tissue? ____A group of similar cells that work together at the same job_________ _______________________________________________________________________ 17. What is an organ? ____A group of tissues working together to do a certain job_______ ________________________________________________________________________ 18. What is an organ system? ___A group of organs that work together to do a certain job_ _______________________________________________________________________