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Cells Review What is the function of the nucleus? The nucleus house the DNA and controls the functions of the cell. What is the function of the cell wall? The cell wall provides structure and support of the plant cell. What is the function of the mitochondria? The mitochondria turns chemical energy into food for the cell. What is the function of the cell membrane? The cell membrane is semi permeable and allows certain substances in and out of the cell. What are two structures found in plant cells that are not found in animal cells? Chloroplast and cell walls What is this organelle? Mitochondria What is the name of this organelle? Chloroplast What is turgor pressure? The outward pressure of the cell membrane against the cell wall when the vacuole is filled with water. Define organism An organism is interacting organ systems What is the cell theory? • All living things are composed of cells. • Cells come from preexisting cells. • Cells are the basic unit of life. Give 3 examples of things that are not made up of cells. Rock Dirt Water Answers may vary What are cells? Cells are the basic unit of life What are the level of organization for the picture? Cell, tissue, organ, organ system, organism What structures to both plant and animals cells have in common? Nucleus, cytoplasm, cell membrane, mitochondria, vacuole What causes a plant to wilt? Low turgor pressure What are tissues? Tissues groups of similar What are are tissues? cells Ex. Muscle tissue What is the following an example of Levels of organization in living systems Simple to complex What are organs? Organ systems are made up of a group of organs that perform a function. Example: nervous system. What are the levels of organization of organisms from simple to complex? Wha Cell tissue organ organ system organism What are chloroplasts? Chloroplast function to convert radiant energy to chemical energy in plants. What is the function of vacuoles? Vacuoles store water, nutrients and waste. They are larger in plant cells. How are prokaryote cells and Eukaryote cells different? Prokaryotes do not have a defined nucleus. Eukaryotes have a nucleus. Plant and animal cells are Eukaryote cells