<prompt> Tertiary structure of a protein describesThe order of amino acidsLocation of disulphide bondsLoop regions of proteinsThe ways of protein folding  <response>: Secondary structure denotes the configurational relationship between residues which are about 34 amino acids apart; or secondary level defines the organization at immediate vicinity of amino acids.The tertiary structure denotes three dimensional structure of the whole protein.Reference: Vasudevan 7th ed, pg 38 