Defence and foreign policy. One of the key reasons for Federation was to achieve a united defence force which could better protect Australia. Around the 1880s, the Australian colonies had become increasingly concerned over the close proximity of foreign powers.
Protein Structure Determination. The three-dimensional shape of a protein is determined by its primary structure. The order of amino acids establishes a protein's structure and specific function. The distinct instructions for the order of amino acids are designated by the genes in a cell.
Answers. 1  go to wikipedia protein and you'll see that there are four aspects to the structure of proteins. it's the tertiary structure that is most crucial to function. structure is most crucial to the function of an enzyme because if it isn't the right shape than the substrate isn't going to fit.