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Polymers - Summary• A polymer is a large molecule formed by the covalent bonding
of repeating smaller molecules. • The smaller molecules that combine to form a polymer are
called monomers.
23.4
Polymers Summary• Two Types of Polymers• Addition Polymers - An addition polymer forms when
unsaturated monomers react to form a polymer• Condensation Polymers - Condensation polymers are formed by
the head-to-tail joining of monomer units.
23.4
Polysaccharides Summary• Glucose and fructose are monosaccharides• Glucose + fructose → sucrose (disaccharides)
• Starch and cellulose are polymers of monosaccharides
Protein Summary• Amino acid is any compound that contains an amino group (-NH2) and a carboxyl group (-COOH)
• A peptide is any combination of amino acids (2 or more) where the amino group of one amino acid combined with the carboxyl group of another.
Amino Acid + Amino Acid = Peptide• Protein is a peptide with more than 100 amino acids
DNA and RNA Summary• DNA and RNA store genetic information• Nucleotides is the monomer of DNA and RNA.• A nucleotides is made up of a phosphate, sugar and a nitrogen
base.