Complete the following vocabulary exercise relating to the level of structure in proteins Match the words in the left hand column with the appropriate blank in the sentences in the right hand column. View Available Hint(s) Reset Help Primary structure describes the alpha-helices and beta-sheets that are formed by hydrogen bonding between backbone atoms located near each other in the polypeptide chain. Secondary Tertiary 2 structure is the sequence of amino acids in a protein Quaternary 3 structure is the result of two or more protein subunits assembling to form a larger biologically active protein complex structure is achieved when a protein folds into a compact, three-dimensional shape Pearson
