So, when excess pressure is placed on a nerve for a few seconds to several minutes, the nerve loses its ability to conduct its electrical signals. This initially manifests as decreased sensation in the form of a pins and needles, tingling, itching, and/or painful sensation.
Report Abuse. During interphase, the cell is essentially preparing for mitosis. Thus, the nuclear membrane is still intact. The cell is merely replicating its DNA and chromosomes. During mitosis itself, however, the nuclear membrane breaks down so the chromosomes become visible under a microscope.
Chromosomes appear distinct during cell division and have hidden within them all the secrets of genetic characters, which are passed from one generation to the next generation. The Interphase Nucleus: