UNIT C LAB TECHNIQUES Review Questions

1.Which portion of the laboratory notebook helps guarantee reliability of the research: 2.Define placebo: 3.Besides the potential for the spread of infectious disease, why should all human blood/biological fluid samples be disposed of according to institution rules? 4.Which piece of laboratory equipment flattens a specimen for easier viewing? 5.The laminar flow hood uses a _________________ filter and forced air flow to create a sterile environment. 6.In agriscience research 90% certainty that research finding are valid correlates to a level of:

7.If a microscope has an object power of 4X and the ocular lens of 10X, the total magnification of that object is: 8.What term describe the “escape” of genes from GMO’s to natural populations: 9.To prevent the entrance or exit of plant/animal material, research institution might install a ______________________ air system. 10.Terminator genes prevent the transgenic organism from____________________________. 11.Which term describes the spread of dispersion in a set of data:

12. Juan needs to regulate humidity in a specific portion of the greenhouse. He should use a(n): 13. When handling caustic chemicals and acids, individuals should use a ________________ stirrer to reduce the risk of splashing. 14. When using a compound light microscope you should always view the sample using the ___________ magnification first. 15.The work surface in a laminar flow hood should be sterilized using a ________% ethanol solution.