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A Level Biology Revision "Primary Structure and Secondary Structure of Proteins"

You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/... In this video we start looking at the first two levels of protein structure. These are called the primary structure and the secondary structure. We start by looking at how the primary structure and how this is critical for the function of a protein. We then explore what is meant by secondary structure, looking at the alpha helix and the beta pleated sheet. Image credits: Haemoglobin https://commons.wikimedia.org/wiki/Fi... Zephyris at the English language Wikipedia / CC BY-SA (http://creativecommons.org/licenses/b...) Alpha Helix https://commons.wikimedia.org/wiki/Fi... Jawahar Swaminathan and MSD staff at the European Bioinformatics Institute / Public domain Beta sheet https://commons.wikimedia.org/wiki/Fi... WillowW at the English language Wikipedia / CC BY-SA (http://creativecommons.org/licenses/b...) Flavodoxin https://upload.wikimedia.org/wikipedi... The original uploader was WillowW at English Wikipedia. / CC BY-SA (http://creativecommons.org/licenses/b...)