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Macromolecules (Lipids (Nonpolar: Don't mix well with water because of…
Macromolecules
Lipids
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Saturated fatty acid: no double bond in tail, solid at room temperature
Unsaturated fatty acids: double bond causes bending, liquid at room temperature
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Cholesterol: crucial for animals, steroid
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Carbohydrates
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Cellulose: polysaccharide used by plants to make cell wall
Chitin: polysaccharide with nitrogen attachment that is used by fungi for cell wall and by animals for exoskeleton
Sugars made of Carbon, Hydrogen, and Oxygen
Proteins
Speed up chemical reactions, catalysts
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Protein Structure:
Primary: linear chain of amino acids
Secondary: hydrogen bonds between amino acids form alpha helix or beta pleated sheets
Tertiary: Interaction with side chains make 3D shape
Quaternary: association of 2+ polypeptides
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Nucleic Acids
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Pyrimidine: 6 ring of carbon (C, T, U)
Purines: 6 ring + 5 ring (A, G)
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