Z-DNA, molecular model
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Z-DNA, molecular model
Z-DNA. Molecular model of a strand of Z-DNA, the rare, left-handed form of DNA (deoxyribonucleic acid). DNA is a helical molecule (here spiralling across the image) made up of two interlocking sugar-phosphate strands bound together by their nucleotide bases. Here, one strand is pink, and the other strand is yellow. One twist of the helix is seen here. Z-DNA winds to the left, unlike the more common B-DNA form of DNA, which winds to the right (when viewed down the helix). This tubular model, overlaid on a space-filled model, shows 12 base pairs
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Media ID 6389723
© LAGUNA DESIGN/SCIENCE PHOTO LIBRARY
Atom Atoms Compound Genetic Left Nucleic Acid Nucleotide Nucleotides Rare Space Fill Spiral Sugar Phosphate Tubes Tubular Bio Chemistry Biochemical Computer Artwork Deoxyribonucleic Acid Genetics Left Handed Molecular Molecular Model
EDITORS COMMENTS
This print showcases a rare and intriguing form of DNA known as Z-DNA. In this molecular model, we can observe a single strand of Z-DNA spiraling across the image, exhibiting its left-handed helical structure. Unlike the more common B-DNA form that winds to the right, Z-DNA defies convention by winding to the left when viewed down the helix. The vibrant colors in this print further enhance our understanding of DNA's intricate composition. The pink strand represents one interlocking sugar-phosphate strand, while the yellow counterpart symbolizes its complementary partner. These two strands are bound together by their nucleotide bases, forming an elegant and complex tubular structure. Within this space-filled model, we can discern 12 base pairs that contribute to Z-DNA's unique configuration. Each base pair is composed of atoms meticulously arranged to maintain stability and functionality within this genetic compound. This illustration not only highlights the beauty inherent in biochemical structures but also serves as a reminder of DNA's fundamental role in genetics and biochemistry. Through computer artwork and scientific expertise, Science Photo Library has captured both the aesthetic appeal and scientific significance of Z-DNA in this stunning visual representation.
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