yes.some of the bacterias are useful but some are not.some specific type of bacterias are using as medicine also.
Bacterias use restriction enzymes as a form of defense mechanism. We as people use these restriction enzymes in bacterias to aid us in genetic engineering.
arerobic bacterias
Bacterias do not reproduce sexually.
Some bacterias are nice but some are not like bacterias that wont harm you are nice ones and the one who harms arr viruses
it depends on the type of the bacteria. also beneficial bacterias outnumber the population of harmful bacterias.
so that no dandruf comes on hair it also kills some bacterias
molds
all of them
bad hygeine
pathogens
No, it as not a significant effect on gram negative and anaerobic bacterias. We usually use Metronidazole with Ciprofloxacin.
Not all bacterias and virues cause damage infact ther is sum that imunes you system