Answer:
Basically this depends on the type of cell division the cell undergoes.
if the cell undergoes reduction division of meiosis(n) the chromosome number will be reduced to 20 so the centromere will be 20, However if the cell undergoes multiplication division of mitosis,(2n) the centromere will be 40, since the chromosomes number will increases and sister chromatids holding the chromosomes are held at centro mere.
Explanation:
Energy can not be created nor destroyed, leaving the only possible answer to be "b," when energy changes from one form to another.
Answer:
Red blood cells and blood plasma do not contain DNA. Red blood cells don't have the DNA containing nucleus and mitochondria. Only white blood cells in blood contain DNA. With blood donation, usually most of the white blood cells are filtered out.
Explanation:
because red blood cells don't have the DNA containing nucleus and mitochondria
