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Unformatted text preview: o Polysaccharides are long chains of monosaccharaides combined together by dehydration reactions. Lipids o Many types, mainly hydrogen and carbon atoms linked by non-polar covalent bonds. o Lipids are grouped together as they are hydrophobic, as a result of their non-polar structure. o Fats are lipids whose main function is energy storage. They consist of glycerol linked to three fatty acids. o Other lipids contain phospholipids, waxes, steroids Proteins o Essential to the structures and activities of life. o A polymer constructed from amino acid monomers. o Proteins are involved in all of a cells activities. o Enzymes are proteins that regulate chemical reactions in the body. o Each amino acid contains: An amino group A carboxyl group An R group o The bonds between amino acid monomers are called peptide bonds. Nucleic Acids o DNA/RNA o Monomers are called nucleotides, composed of sugar, phosphate and a nitrogenous base....
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