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bad bacteria makes you sick if inhaled or ingested, so people come in contact if they don't wash their hands before eating, touching their face, biting nails (anything that allows hands to contact the mouth, nose, eyes)
also if someone is around an infected, contagious person: infectious coughed up droplets may be inhaled and absorbed into the other person's lungs.
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∙ 13y ago
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Bacteria greatly out number harmful bacteria?
Yes. Most bacteria is not harmful to us such as bacteria in a yogurt, but some bacteria is harmful.
What is the most harmful bacteria?
your anus
Is bacteria in compost harmful?
Probably to humans, I wouldn't eat dead leaves. Well yes you wouldn't eat dead leaves but in an eco way they are helpful.
What is the effect of hydrogen peroxide on bacteria?
Hydrogen Peroxide (H2O2) is a strong oxidizer. As such it's pretty lethal to most bacteria if it comes in contact with them. Note that it's also pretty deadly to most cells it comes in contact with and, depending on the concentration, can be dangerous to be around. The stuff you get in a pharmacy is about 3% concentration, and is not harmful.
Which one is most harmful to bacteria out of zinc nickel and arsenic?
Cadmium
What happens to most of the harmful bacteria the enter the digestive system?
They are destroyed
Is penicillian harmful to humans?
no, its an anti-biotic that kills most bacteria.
Would consider bacteria to be harmful or helpful to people?
Bacteria would consider benefitial and harmful bcz many food component are you eating made by bacterial reactions like yeast... but most of spp. are harmful.
Which is bacteria is most harmful?
it's HT104 because it is resistant to any one of antibiotic
Why do Bacteria differ from viruses because bacteria have?
Because bacteria have only DNA as genetic material but viruses have RNA or DNA as genetic material. viruses are harmful but most of the bacteria are useful.
What are two ways bacteria can be harmful?
Only some bacteria is harmful. The ones that are are the ones that give us diseases.
Is bacteria harmful or useful?
According to research, Archae bacteria might be harmful to humans because of its ability to survive the human body, weaken its immune system, and cause disease. Though, there are still no studies or diseases that linked this type of bacteria to a human.
