Is insulin a quaternary or tertiary structure?

quaternary, due to the 4 haem groups; 2 alpha chains and 2 beta chains.

denaturing. the proteins are said to be 'denatured'

Primary Protein is that in which different amino acids are arranged in linear sequence. e.g Typical inter-cellular proteins. Secondary Protein is that in which different amino acids are arranged in...

hydrogen bonding, electrostatic attraction, hydrophili-hydrophobic

'The Quaternary structure of a protein is the 4th level of folding for a protein. An example of this would be a red blood cell, which is a quaternary structure, it is made up of alpha helicies and...