Online College Courses for Credit



Author: Salmonella Place Medical School
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.


This is a tutorial/lecture on Enzymes. We cover some topics important for classes such as Molecular and Cellular Biology or Biochemistry.

List of topics:
- Activation energy;
- Lock-and-Key mechanism;
- Induced fit mechanism;
- Coenzymes;
- Enzyme Regulation.

If you have any questions, don't be shy!! We hope we are able to clarify this topic.