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This chart lists four kinds of polymers and their sources.
A 2-column table titled polymer examples. The first column labeled name of polymer has entries D N A, cellulose, nylon, hair. The second column titled source of polymer has entries inside of cells, plant material, synthetic material, animal material.
What can be known about all four polymers, despite their differences?
They come from living things.
They share ionic carbon bonds.
They are at least 100 monomers long.
They are made of repeating subunits.
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They are made of repeating subunits.
Reason: polymers (DNA, cellulose, nylon, hair/keratin) are all built from repeated monomer units (nucleotides, glucose, nylon monomers, amino acids). The other choices are incorrect: nylon is synthetic (so not all come from living things), polymer bonds are covalent rather than "ionic carbon bonds," and there is no universal minimum of 100 monomers for something to be a polymer.
Reason: polymers (DNA, cellulose, nylon, hair/keratin) are all built from repeated monomer units (nucleotides, glucose, nylon monomers, amino acids). The other choices are incorrect: nylon is synthetic (so not all come from living things), polymer bonds are covalent rather than "ionic carbon bonds," and there is no universal minimum of 100 monomers for something to be a polymer.
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