How can bacteria be beneficial? How can they be harmful?
Answers
Answer:
lactobacillus is a bacteria that helps in the formation of curd. Whereas some bacteria cause many harmful in human beings.
Explanation:
please mark me as brainiest and follow me THANK YOU
Answer:
Beneficial or good :
The species of bacteria that colonize our respiratory and digestive systems help set up checks and balances in the immune system. White blood cells guard the body, looking for infections, but they also limit the amount of bacteria that grow there. Likewise, bacteria keep white blood cells from using too much force. Bacteria also help out by doing things cells are ill-equipped to do. For instance, bacteria break down carbohydrates (sugars) and toxins, and they help us absorb the fatty acids which cells need to grow. Bacteria help protect the cells in your intestines from invading pathogens and also promote repair of damaged tissue. Most importantly, by having good bacteria in your body, bad bacteria don’t get a chance to grow and cause disease.
The Bad or harmful:
Of course, some species of bacteria in your body can result in diseases, such as cancer, diabetes, cardiovascular disease, and obesity. Usually, these diseases happen only when the normal microbiome is disrupted, but that can occur even from antibiotics. Antibiotics kill bacteria, and some of those will be good bacteria that we need to protect our health.
Bad bacteria can exist at low levels in your body without causing harm or can grow too much and wreak havoc. Staphylococcus aureus can cause something as simple as a pimple or as serious as pneumonia or toxic shock syndromeP. gingivalis can cause gum disease, and was recently linked to pancreatic cancer . Similarly, when not suppressed by good bacteria, Klebsiella pneumonia can cause colitis, and subsequently lead to colorectal cancer.