What are the advantages of bioengineering?

Biotechnology has helped develop our country. Biotechnology can help us know about several different things from knowing about cells/bacteria and their structures to knowing about what elements are in different things.

It has already helped us learn about Bacteria and what we can do about the negative bacteria. (Which everyone has tens, maybe hundreds of different bacteria on them.
A lot, to explore more about life sciences to make benefit of mankind such as, promoting drugs, health products,conserving energy etc.