Answer No 1:
During the interphase, the genetic material is copied so that each daughter cell can receive equal and right amount of genetic material. The right amount of the genetic material is a crucial step for every daughter cell to survive.
Answer No 2:
Embryonic stem cells have the ability to convert into any type of cell type. Specialized cell types can make specialized cells. Scientists are working on producing stem cells which can cure various diseases like paralysis or brain damaged cell.
Answer No 3:
By the process of meiosis, the number of chromosomes is reduced to half in the sex cells. When an egg cells and the sperm cell unite in the process of fertilization, the number of chromosomes become diploid again. Hence, the number of chromosomes gets maintained in the embryo in this way.
The correct answer is b:
The statement about passive transport is that subs
<span>The exosphere is the fifth and final layer of the atmosphere. This layer is a little thicker than the theremosphere at 500-1000 km thick.</span>
