US$ 182.50
People whose work or life passes through the lumbar spine:
The geometry that does the actual cutting has been right for centuries
It is part of the polycyclic aromatic hydrocarbon family
Together: a doctor's tool plus the animal of healing
adenine - thymine earrings | silver pp_obstetrics People whose work or lifeAdenine thymine earrings sterling silver Adenine on one ear, thymine on the other. The two bases that pair across every strand of every double helix in every cell, worn the same way they sit in DNA: paired but on opposite sides. A small piece of biochemistry that lands if you have spent time thinking about why these two bases recognise each other. The Science Behind the A T Pair Adenine and thymine pair through two hydrogen bonds in the Watson Crick
US$ 182.50
US$ 232.50
US$ 167.50
US$ 147.50
US$ 127.50
US$ 169.50
US$ 169.00
US$ 420.00