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Fission e mitosis sexual reproduction p no meiosis

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fission, E-mitosis), sexual reproduction (P-no meiosis, transfer of DNA fragments only, E- involves meiosis) 7. Be able to distinguish the 4 classes of infectious agents we discussed based on a description of their characteristic. For example, which is a strict intracellular parasite of living cells that carries its genetic information in the form of DNA or RNA but not both? A VIRUS (page 22) 8. What are two ways to acquire an infectious disease? Infected by microbes 9. Define pathogen. An infectious agent that causes a disease 10. Define disease. An abnormal state with specific signs and symptoms or a deviation from a condition of health and well being. 11. Define infectious disease. An infectious disease is an infectious agents that causes disease 12. Mechanisms of agent entry are divided into two classes. What are these classes and how are they distinguished?
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Endogenously are agents normally present on the body now cause disease due to some change and exogenously encounters with agents in the environment 13. Once an agent has gained entry -- what happens next? It either spreads then replicates or replicates then spreads 14. How does the multiplication of an agent relate to clinical manifestations of disease? Microbes can often quickly grow and multiple and then identified or diagnosis accordingly. 15. Describe the life cycle of the Guinea Worm.
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