Chapter_5_fall_2008

Structural polysaccharides cellulose 1 4 linkage of

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Unformatted text preview: more GLYCOGEN IS A STORAGE GLYCOGEN MOLECULE IN VERTEBRATES (abundant in liver and muscle cells) (abundant 2. Structural polysaccharides •Cellulose – 1-4 linkage of beta Cellulose glucose, generally unbranched glucose, MAJOR STRUCTURAL COMPONENT MAJOR OF PLANT CELL WALLS OF Glucose can be an alpha or beta ring Fig. 5.7a Glucose linkage – different properties Fig. 5.7 Figure 5.10 2. LIPIDS 2. •Made up of C, H, and O •Building blocks are glycerol and Building fatty acids fatty •Classified as triglycerides, Classified triglycerides diglycerides (Phospholipids) diglycerides •Functions: Energy storage, Functions: Main component of membranes Fig. 5.11 a Triglyceride Fig. 5.11 b Fig. 5.12 This is a phospholipid! Fig. 5.13 Fig. 5.14 (5.13 old) 3. PROTEINS 3. •Made up of C, H, O, N and S •Building blocks are amino acids Proteins have an incredibly wide Proteins Variety of functions Variety •Functions: Structural, catalysis, Functions: movement, just about everything! 20 Different Amino Acids Can Be Found in Proteins Found Classes of Amino Acids (Table 5.15) Nonpolar (9 amino acids) Polar (6 amino acids) Electrically Charged acidic (2 amino acids) basic (3 amino acids) amino carboxyl carboxyl variable side chain Formation of Polypeptides Formation Bond forms between carbox...
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This note was uploaded on 08/22/2010 for the course BIOL 1201 taught by Professor Wishtichusen during the Spring '07 term at LSU.

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