The size and position of their centres are the same for homologous Chromosomes
A.The radiation damages a person’s DNA, which causes a mutation that makes the cell divide out of control.
Collenchyma and Parenchyma because they are cellulose containing cells.
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They both take place in the nucleus :)
In biology, the inner lining of tubular structures is called a lumen.
This can refer to numerous tubular structures in the body, such as the lumen of the veins and arteries, the lumen of the intestines or the tubes in the kidneys.
This term can also be used to describe a space defined by membranes of cell organelles such as the lumen of the mitochondria, the Golgi apparatus, and others.
