'Pauling found an "alpha" type of this spiral in proteins; Watson & Crick found a "double" one in DNA'
a helix
SCIENCE: Pauling found an alpha type of this spiral in proteins; Watson & Crick found a double one in DNA
Pauling found an "alpha" type of this spiral in proteins; Watson & Crick found a "double" one in DNA
Pauling found an "alpha" type of this spiral in proteins; Watson & Crick found a "double" one in DNA
SCIENCE
a helix
SCIENCE