The average amount of sleep needed changes over our lifetime, especially during childhood and adolescence. Although there are averages, there will be individuals who fall both above and below these needs, including the following groups of people: Infants (3-11 months) need 14-15 hours.
Transcript of things in real life that works like cells. The function of the nucleus is to maintain the integrity of these genes and to control the activities of the cell by regulating gene expression â the nucleus is, therefore, the control center of the cell.
The genetic material of eukaryotic cells is organized in chromosomes. The genetic material of a cell contains information needed for the cell's growth and other activities. When a cell divides into two new cells, each new cell receives a full set of genetic material. The genetic material in cells is contained in DNA molecules.