May 7, 2024

A Level Biology Revision “Testing for Biological Molecules 1”

Author: Freesciencelessons via YouTube
Go to Source
A Level Biology Revision "Testing for Biological Molecules 1"

In this video, we look at how to carry out the chemical tests for starch, protein and lipids. I take you through the procedure involved and show you the positive and negative results. In the next video, we look at how to test for reducing sugars and non-reducing sugars.

Image credits:

Protein

https://commons.wikimedia.org/wiki/File:Apollo_Vanilla_Protein_Powder.jpg

Kbaker22 / CC BY-SA (https://creativecommons.org/licenses/by-sa/4.0)

Grilled Cheese

https://commons.wikimedia.org/wiki/File:Wursthall_grilled_cheese.jpg

J. Kenji López-Alt / Public domain

Go to Source