The Video lecture from Biological Molecules (F.Sc. First Year Biology) covers the Structure of Proteins and division of protein structures into four major types i.e. Primary , Secondary, Tertiary and Quaternary structure of Proteins. It also includes the details about Primary and Secondary structure of Proteins. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.