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- List at least 5 common causes of cell injury. Provide a brief description of their effects on the morphology and physiologic activities of the cell.Describe the importance of cell-material interactions by providing the series of events upon their contact and the potential outcomes based on material properties.A. List and explain some (2-3) control mechanisms of the body in order to prevent abnormalities and diseases. B. What are the limitations of the cell theory?
- Discuss mitotic rate in the epithelium, and why it makes epithelium vulnerable to traditional chemotherapy.Tab. 1. Morphology of cell damage Reversible injury Swelling of endoplasmic reticulum and mitochondria Myelin figure- Breakdown of plasma membrane, organelles, and nucleus; leakage of contents Myelin figure- Inflammation Recovery Amorpous densities in mitochondria Progressive injury NORMAL Membrane blebs NECROSIS Stages of cell damage: 1. 2. Morphological manifestations of reversible cell damage: 1. 2. 3. 4. 5.Describe the structure of the cell membrane. Be sure to identify the following terms. Plasma membrane, phospholipid bilayer, integral membrane proteins, peripheral membrane proteins, glycoproteins, hydrophobic/hydrophilic.
- Describe the basic composition and structure of the plasma membrane. Discuss the contribution/function of each structure in the cell membrane, including phospholipids, cholesterol, peripheral proteins, transmembrane proteins, glycoproteins, glycolipids and actin filaments.Tissue injury can result in either regeneration or healing. Explain the similarities and differences between these responses, highlighting the significance of the Extracellular MatrixKim Jisoo is an aspiring artist who is fascinated by Science and Food. She created her first Biology-inspired masterpiece by making a fluid mosaic model out of pasta noodles and cereals. Jisoo is a perfectionist, so it is important for her to create a scientifically correct masterpiece which will represent the important cellular membrane structures. Her artwork is shown below: EXTRACELLULAR FLUID Retini Pasta frut loops cereal Mile ball cereal W 20 www Penne Pasta wwwww 009 OPINI www bous-tie pasta www W www CYTOPLASM
- Explain mechanism of cell injury? Both reversible and irreversible? What are different causes of cell injury?Cell injury Draw a sketch of Reversible and Irreversible cell injury? Use pencil and never forget to write your ID on top. Contents of sketchCausesMechanism Exampleb. Cell Type: How many layers do you see?