Transforming growth factor-alpha (TGFa), a member of the endothelial growth
factor (EGF) family of mitogens, was previously thought to exist solely in neoplastic
cells and the quickly dividing cells of a developing fetus. Since then, TGFa...
Fractions -- Study and teaching (Elementary); Arithmetic -- Study and teaching (Elementary)
This investigation examined the impact real-life situations have on the understanding of multiplication of fractions. Two groups of sixth graders, each consisting of 15 students, came to instruction with prior knowledge related to the partition...
