2- Choose the best micropipette from the following to withdraw 110µl more accurately?
0.5-10 µl 10-100 µl
20-200 µl 100-1000 µl
3- When you want to pull liquid using a micropipette, you must hold it vertically and pull from the surface of the liquid. (True/ False)
4- Mention one way for AIDS transmission.
5- Positive result in ELISA is detected when the wells color change from colorless into colored . (True/False).
Correct answers
2. 10- 100
3. True
4. A. Using Needle frok infected person
b. Blood transfusion from infected person
c. Unprotected sexual intercourse with infected person
5. False
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2- Choose the best micropipette from the following to withdraw 110µl more accurately? 0.5-10 µl 10-100...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...