(of an organic compound, especially a fat or oil molecule) containing several double or triple bonds between carbon atoms. Polyunsaturated fats, which are usually of plant origin, are regarded as healthier in the diet than saturated fats.
DnaSP (DNA Sequence Polymorphism) is a software package that allows for extensive DNA polymorphism analyses using a friendly graphical user interface (GUI) (Rozas et al., 2003)
a light flat object that floats on water and that you hold onto when learning to swim, or when you want to swim using only your legs, or only your arms:
