Related by context. Frequent words. (Click for all words.) 57 silk threads 56 wormlike 55 sessile 54 cornhusks 54 snail shell 53 neural crest cells 53 slime molds 53 sensory organs 53 chloroplasts 53 unicellular 53 fruitflies 53 biological molecules 53 Amino acids 53 bacterium E. coli 52 morphologically 52 nitrogenous 52 waxy substance 52 bees wax 52 synthetic polymers 52 threadlike 51 webs 51 RNA sequences 51 nonliving 51 fruiting bodies 51 bacterium Escherichia coli 51 undyed 51 histone proteins 51 snail shells 51 prokaryotes 51 photosynthetic bacteria 51 DNA helix 51 ultracold atoms 50 vegetable dyes 50 olfactory receptors 50 tRNAs 50 reproduce asexually 50 iridescence 50 macromolecule 49 geometrical shapes 49 oppositely charged 49 amyloid fibrils 49 Chlamydomonas 49 mouthparts 49 chloroplast 49 blowflies 49 nanoscale structures 49 silk georgette 49 Nerve cells 49 symbiotic bacteria 49 morphologies 49 globular 49 hollow tubes 49 ribonucleic acid RNA 48 mycelium 48 melanosomes 48 spider silk 48 seedpods 48 biosynthetic 48 membranous 48 lifeform 48 multicellular 48 microscopic organisms 48 fibers 48 inorganic compounds 48 Scientists theorize 48 tunicates 48 nanosized 48 mottled brown 48 endosperm 48 moth larvae 48 Chromosomes 48 zooxanthellae 48 Neutron stars 48 symbiont 48 hydrocarbon molecules 48 honeycomb pattern 47 supramolecular 47 photosynthetic organisms 47 lattices 47 spiderwebs 47 flatworms 47 artificial chromosomes 47 placental mammals 47 Spider mites 47 single celled organism 47 echinoderms 47 misshaped 47 wolf spiders 47 eyespots 47 nanomachines 47 single celled 47 polycarbonate plastics 47 sea anemone 47 alkanes 47 silk worms 47 photosynthesizing 47 peacock tail 47 multicellular organisms 47 yak hair 47 inflorescence 47 RNA molecules