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Transcript
Name________________________________________________________ Period________ Date__________________ Ch. 2.1 Test Review Internal Environment of Organisms Test Day: ______________________ Organelle Description CELL WALL Rigid, tough, made of cellulose CELL MEMBRANE Thin, covering, protects cells CYTOPLASM Jelly like substance that contains organelles NUCLEUS Dense, ball shaped structure, contains DNA NUCLEAR MEMBRANE Thin covering over the nucleus ENDOPLASMIC RETICULUM Clear, tubular system of tunnels throughout the cell RIBOSOME Small specks made of RNA. Found in cytoplasm or on the endoplasmic reticulum MITOCHONDRIA Location in the cytoplasm, bean shaped VACUOLE Large open storage area, smaller in animal cells CHLOROPLAST Green structures that contain chlorophyll GOLGI BODY Small bags with tubes connecting them LYOSOME Small, round structures, containing enzymes CENTRIOLE Small cylindrical Function Animal, Plant or Both Complete the following table by writing the name of the cell part or organelle in the right hand column that matches the structure/function in the left hand column. A cell part may be used more than once. Structure/Function Stores material within the cell Site of photosynthesis The sites of protein synthesis Jelly-like substance in the cell Provides energy for cell: site for cellular respiration Organelle that manages or controls all the cell functions in a eukaryotic cell Contains chlorophyll, a green pigment that traps energy from sunlight and gives plants their green color Digests excess or worn-out cell parts, food particles and invading viruses or bacteria Small bumps located on portions of the Rough endoplasmic reticulum Produces lipids Firm, protective structure that gives the cell its shape in plants, fungi, most bacteria and some protests Produces a usable form of energy for the cell Packages proteins for transport out of the cell The membrane surrounding the cell Provides support for the cell (plant cell only) Composed of a phospholipid bilayer Cell Part Put a check in the appropriate column(s) to indicate whether the following organelles are found in plant cells, animal cells or both. Organelle Plant Cells Animal Cells Organelle Cell Wall Mitochondria Chloroplast Nucleus Cytoplasm Plasma membrane Endoplasmic reticulum Central vacuole Golgi bodies Ribosome Lysosome Centrioles Describe the work or discoveries of each of the following scientists: PAGE 93 Hooke Schleiden Schwann Virchow van Leeuwenhoek What are the three parts of the cell theory? 1. 2. 3. In what organelle does cellular respiration take place? What is the list of organelles that take part in protein synthesis? Plant Cells Animal Cells How is the nucleus involved in protein synthesis? What do ribosomes do? Are they found freely floating in the cytoplasm? Are they found attached to another organelle? Both? Explain why this occurs. What is the difference between rough ER and smooth ER? What are lysosomes? What types of molecules would be found inside a lysosome? How do molecules move from the ER to the Golgi bodies? What is the function of a centriole? In what type of cell (plant or animal) is it found? What is the difference between a simple and compound microscope? What is the difference between the scanning and transmission electron microscopes?
