Transcription of STRUCTURE AND FUNCTION OF BIO- MOLECULES
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STRUCTURE and FUNCTION of Biomolecules - 8 - STRUCTURE AND FUNCTION OF BIO- MOLECULES Table of contents 1. Introduction 9 2. Proteins 13 o The Amino Acids o The Peptide bond o The Protein Conformation o The secondary structures: -helix and -sheet 3. Lipids 25 o Fatty Acids o Hormones derived from Fatty Acids o Neutral Fats (complex lipids) o Other complex lipids o Micelles lipid double layers o Simple Lipids 4. Carbohydrates (saccharides) 32 o Monosaccharides o The glycosidic bond o Disaccharides and polysaccharides (Glycanes) o Glycoaminoglycans o Glycoproteins 5. Polynucleotides 42 o Polynucleotides o Ribozymes o The DNA/RNA molecule o The genetic code o Flow of the genetic information 6.
Approximate Chemical Compositions of a Typical Bacterium and a Typical Mammalian Cell Percent of Total Cell Weight Component E. coli Bacterium Mammalian Cell H2O 70 70 Inorganic ions (Na+, K+, Mg2+, Ca2+, Cl-, etc.) 1 1 Miscellaneous small metabolites 3 3 Proteins 15 18 RNA 6 1.1 DNA 1 0.25 Phospholipids 2 3 Other lipids - 2
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