Which is an example of a macromolecule?

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Multiple Choice

Which is an example of a macromolecule?

Explanation:
Macromolecules are large molecules formed by linking many smaller units into polymers. DNA is a classic example because it is a nucleic acid built from a long chain of nucleotides, connected by a sugar-phosphate backbone, making it a very large polymer that carries genetic information. In contrast, water, sodium chloride, and ammonia are small inorganic molecules that do not consist of repeating subunits linked into long chains, so they don’t fall into the category of macromolecules. DNA’s size and polymeric nature are what make it a macromolecule.

Macromolecules are large molecules formed by linking many smaller units into polymers. DNA is a classic example because it is a nucleic acid built from a long chain of nucleotides, connected by a sugar-phosphate backbone, making it a very large polymer that carries genetic information. In contrast, water, sodium chloride, and ammonia are small inorganic molecules that do not consist of repeating subunits linked into long chains, so they don’t fall into the category of macromolecules. DNA’s size and polymeric nature are what make it a macromolecule.

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