Glycoproteins 2 nucleoproteins 3 lipoproteins 4

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Unformatted text preview: ules • Conjugated proteins consist of amino consist acids and other organic molecules: acids 1. Glycoproteins 2. Nucleoproteins 3. Lipoproteins 4. Phosphoproteins 4. Nucleic Acids • Consist of nucleotides. Consist nucleotides • Nucleotides consist of a: – 1. 2. 3. (Phosphate-Sugar-Base) Pentose Phosphate group Nitrogen-containing (purine or pyrimidine) base or pyrimidine Figure 2.16 8 2/3/2010 a.) DNA • Has deoxyribose Has deoxyribose • Exists as a double Exists helix helix • A hydrogen bonds hydrogen with T • C hydrogen bonds hydrogen with G Figure 2.16 b.) RNA • • • Has ribose Has ribose Is single-stranded A hydrogen bonds hydrogen with U • C hydrogen bonds hydrogen with G Figure 2.17 9 2/3/2010 c.) ATP • Has ribose, adenine, and Has 3 phosphate groups phosphate X -X X X X X Figure 2.18 ATP • Is made by dehydration synthesis. Is dehydration – Absorbs/requires energy = Endergonic Absorbs/requires Endergonic • Is broken by hydrolysis to liberate useful Is hydrolysis to energy for the cell. energy – Releases energy...
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