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Transcript
Name ______________________________________ Period ___________ Biology Cell Specialization Lab Background: The cell is one of the most basic units of life. There are millions of different types of cells. Some organisms are made of a single cell, such as bacteria. Other organisms are composed of many cells that work together. Organisms that are composed of more than one type of cell are multi-cellular. Multi-cellular organisms have specialized cells. These cells have specialized structures and functions. For example, flat, stacked cells like the cells of your epidermis, are specialized for protection. Procedure: In this lab, you will rotate lab stations. Each station will have a numbered microscope containing a different slide. Each slide you observe will contain cells that have a specialized shape to perform a specific function. View each slide carefully and record the following data. Data: For each cell: Include a drawing of the cell. Describe the structures and characteristics of the cell. Using the cell description for each cell, predict the function of the cell. Predict the cell type. **Put your data and the answers to the questions in your notebook** Name ______________________________________ Period ___________ Typical Animal Cell No cell wall, visible nucleus, round shape Can do many functions No cell wall, bi-concave, no nucleus Carries oxygen in blood No cell wall, long and thin, visible nucleus Cells contract together to move skeleton of animal No cell wall, columnar shape Layers of cells on the surface, acts as a barrier No cell wall, has dendrites and long, thin axon Makes connections with other neurons, muscle cells and sensory cells No cell wall, has flagella Delivers genetic material to egg 1 Blood Cell 2 Muscle Cell 6 Epithelial Cell 4 Neuron 7 Sperm Cell 8 Biology Name ______________________________________ Period ___________ Typical Plant Cell 9 Cell wall, chloroplasts, visible nucleus Can do many functions Cell wall, many cells undergoing mitosis Absorbs water and minerals, grows down into soil, secures plant in soil Long, thin extensions Absorb water by osmosis Cells forming tubes carry water, minerals and nutrients Xylem carries water and up the plant; phloem carries sugar from source to sink Cell wall, many chloroplasts Specialized for photosynthesis Root Cells 11 Root Hairs 5 Stem Cells 3 Leaf Cells 10 Biology