Microbiology Lab test 1 Texas A&M Study Guide

ubiquity CORRECT ANSWER Appearing everywhere other lifeforms exist, can be isolated from soil, water, plants, animals, & humans - does not apply to every species by microorganisms as a group Pathogenic CORRECT ANSWER The vast majority of microorg's are nonpathogenic Commensal CORRECT ANSWER microbe benefits - human is not affected Mutualism CORRECT ANSWER A relationship between two species in which both species benefit Saprophyte CORRECT ANSWER a plant, fungus, or microorganism that lives on dead or decaying organic matter. beta hemolysis CORRECT ANSWER - complete lysis of RBC and hemoglobin - Clearing of medium around the colonies - White alpha hemolysis CORRECT ANSWER - partial lysis of RBC and hemoglobin - greenish discoloration gamma hemolysis CORRECT ANSWER No lysis, and no change in the blood agar around the colony