Attending book signing events is popular amongst book lovers. Such events are generally organized at a bookstore or library where an author sits and sign books for a period and may also add a short message for the reader and…
Escherichia coli (E. coli) is a gram negative bacteria which is commonly found in lower intestine and most E. Coli strains are harmless however some strains can cause food poisoning in humans. The organism is a model organism for gram…