Surely these documents, in many cases unique, must be carefully conserved.
We've also conserved a number of cans containing cod roe.
A conserved N-terminal threonine is involved in catalysis at each active site.
In this way the whole Qi Energy is conserved and stored to be released to restore everyday vitality.
Cryo-electron microscopy reveals conserved and divergent features of Gag packing in immature particles of Rous sarcoma virus and human immunodeficiency virus.