how are bacteria useful to us? also discuss their harmfull effect
Answers
Answer:
Bacteria are unique microorganisms that have a variety of physiological functions which are beneficial to human beings. However, bacteria can also be harmful and cause infections if translocated from the gastrointestinal tract to the epithelial tissue following surgery.
Explanation:
Some bacteria are good for you, including the bacteria in your digestive system, or gut. These bacteria help to break down food and keep you healthy. Other good bacteria can produce oxygen are used to create antibiotics. Bacteria are used in food production to make yogurt and fermented foods.
Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them.
Useful bacteria :
Some bacteria are very good.
1. Bacteria in the digestive system, or gut helps to break down food and keep the person healthy.
2. Other good bacteria can produce oxygen
3. Some bacteria like streptomyces are used to create antibiotics.
4. Bacteria are used in food production to make yogurt and fermented foods.
Harmful effects of bacteria :
1. Pathogenic bacteria cause harmful effects. They cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and other diseases.
2. Some saprophytic bacteria grow on unprotected foodstuffs like fruits, pickles, jams, jellies, bread, etc., and spoil them by causing decay.
3. Denitrifying bacteria like Pseudomonas convert soil nitrates and ammonia into free nitrogen and thus reduce the soil fertility.
4. The improved variety of bacteria are used as a bioweapon for biowars.