GIZMO Virus Lytic Cycle Student Exploration Sheet

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Student Exploration: Virus Lytic Cycle Vocabulary: bacteriophage, capsid, host cell, lyse, lytic cycle, virus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. A computer virus is a p... rogram that can copy itself and infect a computer without the permission of the owner. How do you think a computer virus compares to a real virus? A computer Virus and a real virus are very similar because theey both duplicate and infect the host in order to harm the host. 2. Have you ever been infected with a virus, such as the cold virus or flu virus? Yes 3. If so, how did the virus affect you? I felt like i didn't have energy, and I was coughing and Sneezing all the time, most likely because my body was fighting against the virus. Gizmo Warm-up A virus is a microscopic particle that can infect a cell. Viruses are primarily composed of a protein coat, called a capsid, and nucleic acid. In the Virus Lytic Cycle Gizmo™, you will learn how a virus infects a cell and uses the cell to produce more viruses. 1. Viruses are extremely small. A typical virus is about 100 times smaller than a single cell, such as a bacterium. Label the virus and a bacterial cell in the image at right. 2. Bacteriophages are viruses that infect bacteria. Based on the diagram at left, label the head, tail, tail fibers, and the strand of nucleic acid in the image at right. [Show More]

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