Review topics Midterm Microbiology.docx - Review topics Midterm Microbiology Define and explain Infection Pathogen Lytic Virus Lysogenic Virus

Review topics Midterm Microbiology.docx - Review topics...

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Review topics Midterm Microbiology, Define and explain: Infection Growth of micoorganisms in the body. Pathogen Disease-causing microorganism. Lytic Virus Mechanism of phage multiplication that results in host cell lysis. Lysogenic Virus Mechanism of phage multiplication that result in the incorporation of viral DNA and host DNA. Anaphylaxis Hypersensitivity reaction involving IgE antibodies, mast cells and basophils. Acute Infection Rapid onset but resolves within days. Chronic Infection Same as persistent infection. Persistent Infection Occurs gradually over a long period. Intermediate Host An organism that harbors the larval or asexual stage of helminth or protozoan. Definitive Host An organism that harbors the adult, sexually mature form of a parasite. Ringworm Common fungi infection. Prokaryotic Cells A cell whose genetic material is not enclosed in a nuclear envelope. Eukaryotic Cells A cell having DNA inside a distinct membrane-enclosed nucleus. Mycology Study of fungi. Active Transport Net movement of a substance across a cell membrane against a concentration gradient; requires ATP Simple Diffusion Movement of a substance across a plasma membrane from an area of higher concentration to an area of lower concentration; no ATP required.
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