Question

I m a science student and I want to know something about bacteria plz help me

Answer 1

a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease.

Answer 2

Bacteria are microscopic living organisms usually one celled , that can be found everywhere. They can be dangerous, such as when they cause infection, or beneficial in the process of fermentation .
it's are of two types:
1 eukeryotic.
2 prokeryotic ...

Hope it's helps you....