BT733 FINAL TERM SOLVED PAPERS
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Bioethics, Biosecurity, and Biosafety:
There are 20 different amino acids that are commonly found in proteins. Group R is in each case different and can be divided according to several criteria into four main types: basic, non-polar (hydrophobic), polar (uncharged), and acidic.
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BT733 FINAL TERM PAST PAPERS:
Four different ones amino acid functional groups are arranged in a tetrahedral array around the α-carbon
atom; therefore, all amino acids are optically active except glycine. Of the possible L- or D-isomers, proteins contain only the L-isomers of amino acids.
BT733 FINAL TERM PAST PAPERS BY MOAAZ:
The secondary structure of a protein describes the arrangement of the protein backbone (polypeptide chain) due to hydrogen bonding between its amino acid residues. Hydrogen bonding can occur between the amide hydrogen atom and the lone pair of electrons on a carbonyl oxygen atom.
BT733 FINAL TERM SOLVED PAPERS:
The primary structure of a protein is simply the sequence of amino acids listed from the N terminal amino acid. There are over a billion possible sequences of 20 amino acids and each protein will have a unique primary structure that determines how the protein folds into a three-dimensional conformation.