Biology 1406 lab exam 1 - Study guides, Class notes & Summaries

Biology 1406 Exam 1: Chapters 1-4.1 Already Passed Biology scientific study of organisms, living and fossil Common Features all life forms share - Made of a common set of chemical compounds - Made up of cells - Extract energy from the environment and use it to do work - Contain genetic info that enables them to develop, function, and reproduce - Use a universal genetic code to build proteins - Regulate their internal environments - Exist in populations that evolve over time Evo...

pH scale above 7 - Ans .Base pH scale below 7 - Ans .Acid pH scale at 7 - Ans .Neutral how do you test pH - Ans .Phenol Red, or pH paper, or pH meters When using Biuret Reagent what do you test for? What color does it change if it has this? - Ans .test for the presence of proteins. Its initially blue and when added to a solution containing protein it turns purple or violet. When using benedicts reagent what do you test for? What color does it change if it has this? - Ans .used to test f...

pH scale above 7 - AnsBase pH scale below 7 - AnsAcid pH scale at 7 - AnsNeutral how do you test pH - AnsPhenol Red, or pH paper, or pH meters When using Biuret Reagent what do you test for? What color does it change if it has this? - Anstest for the presence of proteins. Its initially blue and when added to a solution containing protein it turns purple or violet. When using benedicts reagent what do you test for? What color does it change if it has this? - Ansused to test for the prese...