Proteins No. Learning Outcome Understanding? Proteins are the major structural materials of 1 animal tissue. Proteins are involved in the maintenance and 2 regulation of life processes. Enzymes are biological catalysts made from 3 protein. Amino acids, the building blocks from which all proteins are formed, are relatively small molecules 4 which all contain an amino group (NH2) and a carboxyl group (COOH). The body cannot make all the acids required for body proteins and is dependent on dietary 5 proteins for supply of certain amino acids known as essential amino acids. Proteins are made of many amino acid molecules 6 linked together by condensation reactions. In these condensation reactions, the amino group on one amino acid and the carboxyl group of a 7 neighbouring amino acid join together, with the elimination of water. The link which forms between two amino acids can 8 be recognised as an amide link (CONH) also known as the peptide link. Proteins which fulfil different roles in the body 9 are formed by linking differing sequences of amino acids together. During digestion, enzyme hydrolysis of dietary 10 proteins can produces acids. The structural formulae of amino acids obtained 11 from the hydrolysis of proteins can be identified from the structure of a section of the protein. Oxidation of Food and Chemistry of Cooking No. Learning Outcome Understanding? alcohols with no more than 8 1 carbon atoms in the longest chain can be named from structural formulae. Given the names of branched-chain alcohols, structural formulae can be drawn and molecular 2 formulae written.
Proteins No. Learning Outcome Understanding? 1 Proteins are the major structural materials of animal tissue. 2 Proteins are involved in the maintenance and regulation of life processes. 3 Enzymes are biological catalysts made from protein. 4 Amino acids, the building blocks from which all proteins are formed, are relatively small molecules which all contain an amino group (NH2) and a carboxyl group (COOH). 5 The body cannot make all the acids required for body proteins and is dependent on dietary proteins for supply of certain amino acids known as essential amino acids. 6 Proteins are made of many amino acid molecules linked together by condensation reactions. 7 In these condensation reactions, the amino group on one amino acid and the carboxyl group of a neighbouring amino acid join together, with the elimination of water. 8 The link which forms between two amino acids can be recognised as an amide link (CONH) also known as the peptide link. 9 Proteins which fulfil different roles in the body are formed by linking differing sequences of amino acids together. 10 During digestion, enzyme hydrolysis of dietary proteins can produces acids. 11 The structural formulae of amino acids obtained from the hydrolysis of proteins can be identified from the structure of a section of the protein. Oxidation of Food and Chemistry of Cooking No. Learning Outcome Understanding? 1 alcohols with no more than 8 carbon atoms in the longest chain can be named from structural formulae. 2 Given the names of branched-chain alcohols, structural formulae can be drawn and molecular formulae written.
Chemistry-S5-Higher-Natures-Chemistry-Course-Notes.docx