BIO152H5 Chapter Notes - Chapter 5: Aldehyde, Amylose, Starch

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5 Feb 2017
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Chapter 5 the structure and function of large molecules. Molecules are huge consist of carbs, proteins and nucleic acid. Polymer is a long molecule consisting of many similar building units (linked by covalent bonds) called monomers. Chemical mechanisms by which cells make and break down polymers is basically the same (even though they are made up of different monomers) In cells: these are done by enzymes (macromolecules that speed up chemical reactions) When a bond forms between 2 monomers, each provides a part of the h2o molecule that gets released during the dehydration reaction (where one is the - Reaction gets repeated, therefore making a polymer. Polymers disassemble through hydrolysis, which is the opposite of dehydration reaction. Oh attached to one monomer, h attaches to another, therefore breaking the polymer. Carbs: sugars and polymers of sugars contain c,h, and o. Disaccharides: 2 sugars (monosaccharides joined by covalent bond) Monosaccharides have molecular formula with some multiple of ch2o.

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