DNA helix
Keywords
deoxyribonucleic acid,
helix,
double,
pattern,
structure,
genetic,
code,
coding,
helical,
molecular,
hydrogen,
footed,
sugar,
phosphate,
backbone,
bond,
histology,
chemical,
chemistry,
life,
secret,
microscope,
research,
science,
anatomy,
three-dimensional,
medicine,
nature,
scientist