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Reference.org
Macromolecule
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<p>A macromolecule is a "<a href="/facts/Molecule/N9ljSfFq">molecule</a> of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass." <a href="/facts/Polymer/eF32E50K">Polymers</a> are physical examples of macromolecules. Common macromolecules are <a href="/facts/Biopolymer/GaCwr4EY">biopolymers</a> (<a href="/facts/Nucleic_acid/2tTgcI0v">nucleic acids</a>, <a href="/facts/Protein/Jxmagu3E">proteins</a>, and <a href="/facts/Carbohydrate/Geuuzxsf">carbohydrates</a>). and polyolefins (polethylene) and polyamides (<a href="/facts/Nylon/hBvG9bCw">nylon</a>). </p>