Uploaded June 2026 | Updated September 2026, 1 hour ago
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This video has been updated to correct an error in the specification regarding the repeating unit for a polypeptide (1:47).
In this video, we look at amino acids. We explore how these have two functional groups and can form condensation polymers. We look at the difference between a polypeptide and a protein.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Chemistry. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (creativecommons.org/licenses/by/4.0/)
Source: incompetech.com/music/royalty-free/?keywords=deliberate+thought
Artist: incompetech.com
Image credits: All images were created by and are the property of Autonomy Education Ltd.
Find your 9s with PLUS. Click the link to try for free freesciencelessons.co.uk/plus
This video has been updated to correct an error in the specification regarding the repeating unit for a polypeptide (1:47).
In this video, we look at amino acids. We explore how these have two functional groups and can form condensation polymers. We look at the difference between a polypeptide and a protein.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Chemistry. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (creativecommons.org/licenses/by/4.0/)
Source: incompetech.com/music/royalty-free/?keywords=deliberate+thought
Artist: incompetech.com
Image credits: All images were created by and are the property of Autonomy Education Ltd.
