Why can’t a capillary puncture be used to perform prothrombin times or activated partial thromboplastin times?what are the most common safety problems in biology laboratory?
2- Does 70% ethanol solution need to be sterile in order to be used for cleaning the biosafety cabinet especially when you work with microorganism?
3.Describe in details what the microorganism will look like under the microscope?
4.When observing bacteria under microscope why is it necessary place a cover slip over the specimen?
5.Why microbes are inoculated in saline water before swabbing in Mueller-Hinton agar?