Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Course image: Sage Ross in Flickr made available under Creative Commons Attribution-ShareAlike 2.0 Licence.

All other materials included in this course are derived from content originated at the Open University.

Don't miss out:

If reading this text has inspired you to learn more, you may be interested in joining the millions of people who discover our free learning resources and qualifications by visiting The Open University - www.open.edu/ openlearn/ free-courses

This free course is adapted from a former Open University course called 'Molecules, medicines and drugs (SK185)'.