Multicellular organisms maintain their growth and development in a dynamic and coordinated fashion.Cell polarity plays a key role in regulating cellular differe
More than half of the calories consumed by humans are provided by three major cereal crops (rice,maize,and wheat).Orphan crops are usually well adapted to low-i
Mammalian fertilization begins with the fusion of two spe-cialized gametes,followed by major epigenetic remodeling leading to the formation of a totipotent embr