NEET BIOLOGY

Detailed explanation-1: -Lactobacilli and Bifidobacterium are two types of bacteria that benefit the health of the host in a symbiotic relationships with the gut flora lining the colon. These beneficial bacteria have been researched and observed in order to utilize their health benefits on diseased or irritable colons.

Detailed explanation-2: -Yet despite all the attention given to their harmful brethren, most E. coli are not harmful to humans, and some are even beneficial. Many of us host a population of E. coli in our gut that aids digestion and protects us from other harmful microbes.

Detailed explanation-3: -Escherichia coli (E. coli) is a bacteria that normally is an important part of the healthy intestinal tracts of humans and animals. However, there are some kinds of E. coli that are harmful and can cause disease.

Detailed explanation-4: -Gut bacteria have a number of important functions such as breaking down food, manufacturing vitamins and training our immune system. Imbalances in gut bacteria have been linked to a number of health problems including obesity, mood disorders and altered immune response.