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Transcript
Definitions of Cell Structures and Their Functions -Cell wall: Non-living structure surrounding plant cell; provides shape and support -Cell membrane: Enclosed the cell, controlling the inward and outward flow of materials -Chloroplasts: Contain chlorophyll, used by plants to make food -Cytoplasm: Jelly-like material where chemical processes take place -Mitochondria: Rod-like structures that control the release of energy in cell processes -Vacuoles: Fluid-filled sacs that store different substances in liquid form -Nucleus: Contains DNA; stores information used to control cell activities -Ribosome: Particles in cytoplasm that build the proteins needed by a cell -Endoplasmic reticulum (ER): Membranes that run throughout the cytoplasm; form tubes through which materials move to all cell parts Instructions for Building Cells -Place all of the materials you’ve been given out in front of you. -Build the plant cell first by using the rectangular piece of bread. -Unwrap the Fruit Roll-up and wrap it around the outside of the bread to represent the cell wall. -Spread approximately ½ of the peanut butter on the bread. -Place ½ of all of the other organelles on the peanut butter except to place all of the green jelly beans on this piece of bread, as this is the plant cell. -Build the animal cell by using the piece of round bread. -Follow steps 4 and 5 above with the exception of not using the green jelly beans. -Raise your hand so that the teacher will come and check your cell. -Be prepared to describe the function of each organelle. -Dispose of your models by either eating them or placing them in the trash. Edible Cells ©2002 www.beaconlearningcenter.com Rev. 03.30.04 Edible Cells Grading Completion – The student will receive one point for each organelle correctly placed. Communication – The student will receive one point for each organelle correctly identified and described. The grading scale is as follows: 32 – 36 points – A 29 – 31 points – B 25 – 28 points – C 20 – 24 points – D 19 points and below – F Edible Cells ©2002 www.beaconlearningcenter.com Rev. 03.30.04 Edible Cells ©2002 www.beaconlearningcenter.com Rev. 03.30.04