From the evidence of karyomeres in animal cells, the nucleus is regarded as a compound structure, and it was further suggested that the spindle is also compound, the real unit in mitosis being a ...

Electronic structure can be shown as a list of numbers or as a diagram. Take lithium for example. The diagram above shows each shell as a circle around the nucleus, with each of the three ...

similar to a nail that breaks its surrounding structure once driven forward. This crack widens the channel and allows the capsid's progression into the nucleus. Computational simulations of the ...