Unit 1 Review F2019 2350.docx - BIOL 2350 Fall 2019 Unit 1 Review 1 Define cytokines Cytokines regulate proliferation movement differentiation of cells

Unit 1 Review F2019 2350.docx - BIOL 2350 Fall 2019 Unit 1...

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BIOL 2350 Fall 2019 Unit 1 Review 1. Define cytokines: Cytokines regulate proliferation, movement, differentiation of cells. They are the messenger to protein molecules and are intercellular. 2. Define Physiology: This the study of function of living systems. Physical and chemical processes 3. Define Metabolism. Describe the two metabolic pathways? There are 2 metabolic pathways which are anabolic and catabolic. Anabolism requires energy where metabolic storage occurs and synthesis of cell constituents. Anabolism makes simple molecules into complex molecules. Catabolism breaks down complex molecules into simple ones and releases energy. 4. Define Major Histocompatibility Complex Molecules. Used by immune systems to determine cells that are from the body and cells that are foreign. They are found on all cells with nucleus and red blood cells without nucleus. MHC 2: binds CD4+ which are helper t cells and MHC 1: binds to CD8+ (cytotoxic toxic cells, or killer t cells) 5. Define the two feedback mechanisms and give examples of each mechanism: get bak to the original set point the body releases insulin to return glucose levels back to normal> Oxytocin during childbirth which intensifies contractions. 6. Define Broad Spectrum Antibiotics. Active against (-) and (+) gram bacteria. Purple, positive less 7. Define chemotaxis: the movement of leukocytes to an injured area 8. Define Anatomy: It is the study of structure and relationships of living things 9. Symptoms of the acute primary infection and primary phase of HIV: There are 9 major symptoms including but not limited to mononucleosis-like syndrome, sore throat, malaise, nausea, myalgia, lethargy, lymphadenopathy, photophobia, and a fever 10. Define Homeostasis: This is known as the maintenance of an internal equilibrium in response to external stimuli 11. Define incidence: New Infection cases within a defined population over a certain period. Prevalence:
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