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.
ï§ Chromosome: Structure composed of a very long DNA molecule and associated proteins that carries part (or all) of the hereditary information of an organism ï§ Chromatin: Complex of DNA, histones, and nonhistone proteins found in the nucleus of a eukaryotic cell. The material of which chromosomes are made.