Myogenesis is the formation of muscular tissue, particularly during embryonic development. Muscle fibers generally form from the fusion of myoblasts into multi-nucleated fibers called myotubes. In the early development of an embryo, myoblasts can either proliferate, or differentiate into a myotube. What controls this choice in vivo is generally unclear.
NCLB | The No Child Left Behind Act. The No Child Left Behind (NCLB) Act of 2001, Public Law (P.L.) 107-110, is the nationâs general education law. It was passed by Congress and signed into law by the President in 2001. Although it is referred to as NCLB, it actually amends longstanding legislation, the Elementary and Secondary Education Act (ESEA).
Dropout rates are at historic lows. And more students are going to college than ever before. These achievements provide a firm foundation for further work to expand educational opportunity and improve student outcomes under ESSA. The previous version of the law, the No Child Left Behind (NCLB) Act, was enacted in 2002. NCLB represented a significant step forward for our nationâs children in many respects, particularly as it shined a light on where students were making progress and where they needed additional support, regardless of race, income, zip code, disability, home language, or background.