Salma Ahmed
English Lit. GCSE Student
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Explain why the structure and function of proteins is essential to living organisms.
- Words:
- 1325
- Submitted:
- Tue Jan 25 2005
Have a little read: ... Explain why the structure and function of proteins is essential to living organisms. Proteins, along with carbohydrates, lipids and nucleic acid make up all life on earth, and without any one of these macromolecules, life on earth would not be able to continue. Proteins consist of amino acids joined together via peptide bonds to form polypeptides. There are 20 natural amino acids without which proteins couldn't exist. COOH | H-C-R | NH2 Above is the general structure of an amino acid, the R represents the variable group, which varies with each amino acid, and affects the properties and behaviour of each amino acid. To form a protein the amino acid must bond with at least one other amino acid, forming a peptide bond. As shown in the diagram Amino acids bond to form proteins which can bond with other amino acids or other proteins to form new proteins, therefore there is
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