1. Tardigrade
  2. Question
  3. Biology
  4. A polymer has only one type of building block called monomer repeated 'n' number of times. A heteropolymer has more than one type of monomer. Proteins are heteropolymers made of amino acids. If a nucleic acid, like DNA or RNA, is made of only 4 types of nucleotide monomers, proteins are made of:

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Q. A polymer has only one type of building block called monomer repeated 'n' number of times. A heteropolymer has more than one type of monomer. Proteins are heteropolymers made of amino acids. If a nucleic acid, like DNA or RNA, is made of only 4 types of nucleotide monomers, proteins are made of:

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Solution:

Proteins are polypeptides. They are linear chains of amino acids linked by peptide bonds. Each protein is a polymer of amino acids. As there are 20 types of amino acids (e.g., alanine, cysteine, proline, tryptophan, lysine, etc.), a protein is a heteropolymer and not a homopolymer. A homopolymer has only one type of monomer repeating ‘n’ number of times.