In mitosis, the centromeres of sister chromosomes are pulled toward opposite poles of the spindle. In meiosis I, the opposite is true: the sister centromeres move together to the same pole, and the homologous chromosomes are pulled apart. This change in segregation patterns demands that between the final mitosis preceding meiosis and the first meiotic division, the kinetochores must be restruct...

To meet the high- performance requirements of new energy vehicle drive, optimization design 8/6 Switched Reluctance Motor is realized based on finite element parametric modeling motor. Firstly, initial motor structure parameters carried out mathematical model Motor, and simulation built using RMxprt platform, debugging characteristics wide speed range finished. Then, generated, stator rotor pol...

A design package is developed for a single-tooth per stator pole switched reluctance motor, 6/4. The rather simple assumed flux path method is used to estimate the unaligned permeance including the leakage permeances and the effects of shallow slot and tooth taper. The possibility of making rotor tooth width greater than stator tooth width is examined using the developed package. The result app...

Muscle gene expression is known to be induced in animal pole cells of a Xenopus blastula after 2-3 h of close contact with vegetal pole cells. We tested whether this induction requires functional gap junctions between vegetal and animal portions of an animal-vegetal conjugate. Muscle gene transcription was assayed with a muscle-specific actin gene probe and the presence or absence of communicat...

This article suggests the control of current and speed approach to reduce torque ripple in BLDC motor. Initially, renewable energy hybrid power system (REHPS) is composed a generation PV, fuel cell (FC), storage battery bank. REHPS uses solar as their main source electricity during day. It secondary for maintenance at night or periods shaded conditions. The novelty proposed method achieve minim...

Questions of dorsoventral axis determination and patterning in Xenopus seek to uncover the mechanisms by which particular mesodermal fates, for example somite, are specified in the dorsal pole of the axis while other mesoderm fates, for example, ventral blood island (VBI), are specified at the ventral pole. We report here that the genes Xvent-1, Xvent-2, and Xwnt-8 do not appear to be in the pa...

Cover Illustration: Electron micrograph showing an area near the interaction sites between Iba1-immunostained microglial cell (shaded in violet) and surface of a motor neuron at spinal cord ventral horn red) following sciatic nerve transection. The extracellular space is delimited yellow. Extracellular multilamellar bodies vesicles derived from degenerating afferent synaptic boutons are seen in...