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6. (a) Show the arrangement of the groups on the a carbon of the naturally occurring amino acids (draw out the stereocentre).7. (a) Sh (a) Show the repeating unit of the polypeptide chain in a protein and indicate the peptide bond.(b) What are the following structures of a protein (i) primary, (ii) secondary, (iii) tertiary and (iv) quaternary.1. Polypeptides are the natural polymer of the naturally occurring amino acids. Their structure can be considered at various

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-oo show the arrangement of the groups on the 2-carbon of the naturally occuring amino acids. Ams 3 Amino acids are molecules- show the repeating amit of the polypeptide chain in a protein and indicate the peptide bond. Ang Proteins are highly molecusecondry structure - Globular proteins have coiled structure in which peptide bona are for folded im a regular maumer. Herei Tertiary structure. - Three dimensional structure of every atom im protein, are called Tertiary structure. ( Here ionic bon

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