Related by context. Frequent words. (Click for all words.) 66 DNA double helix 62 helix 59 DNA strands 54 molecule 54 helical 53 nucleotides 52 Francis Crick 52 capsid 52 nucleotide 51 dimer 50 tRNA 50 carbon atoms 49 microtubules 48 molecules 48 fibrils 48 hexagonal 48 hexagons 47 oxygen atoms 47 RNA molecules 46 protein complexes 46 chromosomes 46 atoms 46 histones 46 microtubule 46 vesicle 46 chromatin 45 RNA polymerase 45 nanopore 45 filament 45 subunits 45 hexagon 45 latticework 45 molecular 45 histone 45 human genome 45 stranded RNA 44 monomers 44 lattice 44 cell membrane 44 membrane protein 44 amino acid sequence 44 outer membrane 44 hydrogen atoms 44 amino acids 44 DNA sequences 43 polymerase 43 kinked 43 nanotube 43 telomere 43 spacetime 43 ribosome 43 introns 43 nanotubes 43 filaments 43 topological 42 nanometer sized 42 messenger RNA 42 symmetries 42 vertices 42 exons 42 whorls 42 cantilever 42 inverted 42 recombination 42 protein folding 42 cylindrical 42 quantum theory 42 cytoskeleton 41 combinatorial 41 fractals 41 nanostructure 41 RNAs 41 nanostructures 41 eukaryotes 41 cantilevers 41 oligonucleotide 41 serpentine 41 ellipse 41 Feynman 40 proteins 40 macromolecules 40 conical 40 symmetric 40 quantum mechanics 40 Nanotubes 40 geodesic dome 40 DNA replication 40 monolayer 40 spherical 40 vortices 40 globular 40 spider web 40 geometries 40 shapes 40 oligomers 40 high temperature superconductors 40 squiggle 40 fractal 40 electromagnetism 40 chromosome 40 X ray crystallography