a) Take a sterile pipette, open the wrapper and put the rubber valve
b) Fuel burned edges on the Bunsen for a few seconds. Do not be too long because it can damage the tip of the pipette
c) Take the tube containing the bacterial culture,
open the lid with both ring and little fingers while the index finger, middle finger and thumb holding pipette.
d) Immediately insert the pipette into a test tube, rubber suction valve press the [S] (see figure below) and then immediately remove it. When inserting the pipe t try not to touch the walls of the tubes and Bunsen burners do in the near
b) Fuel burned edges on the Bunsen for a few seconds. Do not be too long because it can damage the tip of the pipette
c) Take the tube containing the bacterial culture,
open the lid with both ring and little fingers while the index finger, middle finger and thumb holding pipette.
d) Immediately insert the pipette into a test tube, rubber suction valve press the [S] (see figure below) and then immediately remove it. When inserting the pipe t try not to touch the walls of the tubes and Bunsen burners do in the near