Description _x000D_ _x000D_The genome of an organism consists of complementary pairs of enormously long polynucleotides wound around each other in the form of a double helix. Through study, students will know the difference single-stranded and double-stranded, and why the DNA is more stable than RNA. _x000D_ _x000D_Features _x000D_ _x000D_- Color: As shown _x000D_- Material:ABS _x000D_- Size: About 33.00X11.60X11.60cm/12.97X4.56X4.56in _x000D_- With great detailing for structure, this model fit wonderfully on desk or shelf, good aid in school. _x000D_- Vivid to teach students the bio-subjects about, for example, What are the basic units that make up DNA. _x000D_- The nitrogen bases hold the two strands together, can only pair in a certain way: A pairing with T and C pairing with G. _x000D_- Good for school teaching tool, learning display and collectibles, also used as a great addition to your labs. _x000D_- Nice educational toy let your kids assemble independently and encourage imaginative in children.Packing list2 x DNA Models