Which is in the shape of a double helix? amino acid ribonucleic acid deoxyribonucleic acid enzyme protein

Deoxyribonucleic Acid, or DNA is in the shape of a double helix

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the