answers of doc.(c)

 build and draw your molecules : https://molview.org/?cid=21262180 to try to understand chemestry !

biomolecules

video 8'11 : https://youtu.be/YO244P1e9QM focuses on general functions of biomolecules. The biomolecules: carbs, lipids, proteins, and nucleic acids, can all can have important functions in the body. However, this video is not giving human dietary guidelines and should not be used in any attempt to do so. This is a video about the biomolecules.

Text : Molecules of life : https://basicbiology.net/biology-101/molecules-of-life