The microbiology manager done cleaning of contamination if they notice a significant increase in contaminated blood cultures with the help of different methods and instruments but if he can't remove that contamination from the culture, it will dispose the culture because it is harmful so he formed a new culture in a clean free environment in order to avoid contamination in the culture.
DNA helicase unwinds the DNA strands by breaking the hydrogen bonds down at the center of the strand. this process begins in the replication fork of the DNA strand
