This image may not be used in educational posters Z-DNA molecule. Computer illustration of the Z form of a DNA (deoxyribonucleic acid) molecule. DNA i
This image may not be used in educational posters Z-DNA molecule. Computer illustration of the Z form of a DNA (deoxyribonucleic acid) molecule. DNA is composed of two strands twisted into a double helix. Each strand consists of a sugar-phosphate backbone attached to nucleotide bases. There are four bases: adenine (A), cytosine (C), guanine (G), and thymine (T), which are joined together by hydrogen bonds. DNA contains sections called genes that encode the body's genetic information. Z-DNA turns about the helical axis in a left-hand spiral (zig-zag configuration), unlike the more common B-DNA form which winds to the right. Z-DNA is also a slimmer and more elongated molecule than B-DNA.
Size: 5912px × 5912px
Photo credit: © RUSSELL KIGHTLEY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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