bacteria is not harmless if there is alot of bacteria then you can get really sick.
Example sentence - His teasing was harmless and annoying.
In 1927, Fredric Griffith concluded that bacteria could be transformed from harmless to disease-causing by introducing a factor that was not yet identified. This changing factor was eventually discovered to be DNA, the basis for all biological reproduction.
Yogurt and buttermilk are fermented by a harmless bacteria added after pasteurization to prolong their shelf lives.
The harmless living bacteria took in pneumonia-causing DNA(genes) from the heat-killed, pneumonia-causing bacteria, as a result of which the harmless bacteria changed into bacteria that cause pneumonia.
Frederick Griffith (c. 1879 - 1941)
Yes
smooth
Well. There could be a human spirit (ghost). They are usually harmless unless they had a violent death, but can become annoying. The opposite is an inhuman spirit. They enjoy misery and pain.
Yes, but most are weak and almost harmless.
No. 70% of bacteria is harmless, whilst the other 30% is harmful.
The difference between "walking pneumonia" and "true pneumonia".
No! The vast majority of bacteria is harmless to human beings. I learned it in my biology class.