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true or false: DNA is an example of a biological nanomaterial, and explain why.

True. DNA is an example of a biological nanomaterial because it is composed of molecules that are only a few nanometers in size. DNA molecules are made up of nucleotides, which are composed of atoms that are only a few nanometers in size. This makes DNA an ideal example of a biological nanomaterial.

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True! DNA is indeed an example of a biological nanomaterial. Nanomaterials are substances with structures or properties at the nanometer scale. DNA, the genetic material found in all living organisms, has a unique structure that qualifies it as a nanomaterial. Its double helix structure is composed of two strands intricately bound together, forming a chain of nucleotides. Each nucleotide consists of a sugar, a phosphate, and a nitrogenous base (adenine, thymine, guanine, or cytosine). Remarkably, the diameter of this nanoscale structure is approximately 2 nanometers, making it comparable to other man-made nanomaterials. DNA's ability to store, transmit, and replicate genetic information at this nanoscale level has revolutionized fields such as genetic engineering and nanotechnology-based drug delivery systems.