Coliform bacteria are a group of Gram-negative, aerobic, and facultative anaerobic rod-shaped bacteria containing the enzyme – galactosidase that is capable of fermenting lactose-producing acid and gas. They are also … Read more
The stool is undigested food material and other wastes produced in the digestion process and eliminated from the digestive tract through the anus/cloaca. Stool culture is a microbiological test done … Read more
Blood is sterile liquid connective tissue flowing inside blood vessels as a pumping action of the heart. Infection in the blood is called bloodstream infection. It is a serious condition … Read more
Urinary tract infection (UTI) is an infection in any part of the urinary tract, including the kidneys, ureters, urinary bladder, and/or the urethra. It is most commonly caused by bacteria; … Read more
The Earth is home to a wide variety of living beings. It is estimated that about 8.7 million species of living beings are currently on the Earth of which 1.2 … Read more
Bacteria Definition Bacteria are single-celled microscopic organisms that are characterized by the presence of incipient nucleus and few membrane-less cell organelles. Bacteria are diverse in shape, size, and color, and … Read more
Image Source: Encyclopædia Britannica, Inc. Created using biorender.com. Archaea Definition Archaea is a group of primitive prokaryotes that based on their distinct characteristics form a separate domain from bacteria and … Read more
Gram Positive vs Gram Negative Bacteria (31 Major Differences) S.N. Character Gram-Positive Bacteria Gram-Negative Bacteria 1. Gram Reaction Retain crystal violet dye and stain blue or purple on Gram’s … Read more
Some of the differences between bacteria and virus are as follows: S.N. Character Bacteria Virus 1. Cell type Prokaryotic cells Acellular 2. Number of cells Single-celled No cell 3. Size … Read more
