An -NH2 group is an AMINO group.......
The bronchi are where air passes from the trachea.
S PHASE
<span>Cell division involves the different phases such as G1, G2, M and S phase. Cell division is the mechanism of cells to divide into other cells. Two types of cell division is popularly called the mitosis and meiosis. There basic difference is how they function and how many chromosomes their daughter cells have. </span>
