Studies on the Anti-lipid Peroxidation of DNA from Carp Spermary Scavenging Action of DNA from Carp Spermary on Free Radicals Effects of Carp Spermary DNA on Some Oxidoreductase Activities in Naturally Senile Mice Genetic Transformation of Soybeans by Soaking Its Seeds with the Total DNA of America Ginseng (Panax quinquefolium) Ⅰ. Analysis on the Variation of Soybean Morphologic Characters Induced by Foreign DNA Uptake