With the exception of particular cells (as an example, semen and egg cells and blood that is red), the cellular nucleus contains 23 pairs of chromosomes. A chromosome contains genes that are many. A gene is really a portion of DNA providing you with the rule to create a protein.
The DNA molecule is a lengthy, coiled dual helix that resembles a spiral staircase. Inside it, two strands, consists of sugar (deoxyribose) and phosphate particles, are linked by pairs of four particles called bases, which form the actions of this staircase. Fortsett å lese DNA (deoxyribonucleic acid) could be the cell’s genetic material, found in chromosomes in the mobile nucleus and mitochondria