Nextdoor is the private social network for your neighborhood. On Nextdoor, neighbors create private groups for their neighborhoods where they can ask questions, get to know one another, and exchange local advice and recommendations.
Up-regulation is a process that occurs within a cell triggered by a signal (originating internal or external to the cell), which results in increased expression of one or more genes and as a result the protein(s) encoded by those genes.
1. First understand where mitosis and meiosis occur. Mitosis occurs in somatic cells only (cells that make up the body). Meiosis occurs in gamete cells only (sex cells).