BIOL 1202 : Exam 2
Document Summary
Genome- genetic information: can be either single-stranded or double stranded dna or rna, 2. Capsid- protein coat which surrounds and protects genome: 3. Innate defenses: try to keep pathogens out, pathogen- disease-causing entity, skin, dead skin constantly falls off with pathogens, 2. Acquired immunity: recognize specific intruder, attacks, remembers intruder, how vaccines work, sometimes people responds so strongly it kills them, three lines of defense, 1. Just caused by mistakes in replication: 3. Increased blood flow occurs as histamine binds to capillaries and makes them dilate: creams can help this, other chemicals attract phagocytes (wbc engulf bacteria, dirt, tissue debris, blood clotting walls off. Injury, histamine, increased blood flow, white blood cells clean area, enough white blood cells= puss exits wound: ordering question on exam, 1. Tissue damage carries bacteria in wound: 2. Wounded cells release chemicals that stimulate mast cells: 3. Histamine increases capillary blood flow and permeability: 5.
