Online College Courses for Credit

4 Tutorials that teach Microbes: Bacteria
Take your pick:
Microbes: Bacteria

Microbes: Bacteria

Author: Nathan Lampson

This lesson explains the existence and importance bacteria.

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

37 Sophia partners guarantee credit transfer.

299 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 32 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.



Bacteria are tiny prokaryotic organisms that may have been some of the first organisms on earth.  


Prokaryotic cells:

DNA in prokaryotic cells is not inside a membrane-bound sac.  Prokaryotic cells have no membrane bound organelles.


Eukaryotic cells:

Contain a membrane bound nucleus and other complex structures such as cellular organelles. 


Good things about bacteria:

Can be used to break down crude oil in order to clean up oil spills.

Bacteria in the human body aid in digestion.

Bacteria can be used in order to produce food products like cheese and yogurt.


Bad things about bacteria:

Bacteria can cause illness like salmonella and tetanus.

Microbes: Bacteria