Proteins 0.0 / 5 ? BiologyBiological moleculesBiological molecules, organic chemistry and biochemistryASAQA Created by: AlexLaceyCreated on: 08-05-16 18:15 Monomer consisting of an amino group, carboxyl group, hydrogen atom and R group Amino acid 1 of 9 The bond formed between two amino acids Peptide 2 of 9 The sequence of amino acids in a polypeptide chain Primary structure 3 of 9 Polypeptides become twisted or coiled to form a-helices or B-pleated sheets Secondary Structure 4 of 9 Polypeptides form a specific 3D structure held together by a number of different bonds; disulfide bridges, ionic bonds and hydrogen bonds Tertiary structure 5 of 9 Large polypeptides become associated with non-protein (prosthetic) groups Quaternary structure 6 of 9 Example of a protein with quaternary structure Haemoglobin 7 of 9 Proteins secreted by plasma cells Antibodies 8 of 9 Proteins involved in catalysing reactions Enzymes 9 of 9
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