ATP :)
Mitosis a process more simply explained as regeneration of cells, as it is most significant in that process. The cells of our body replicate (clone themselves) as needed. For instance, if you cut your hand, the skin cells will regenerate in the process of mitosis, and so will all cells, except those of reproductive cells which use meiosis. To answer your question: our skin endures micro damage all the time and as regeneration is performed in mitosis, it also occurs all the time.
he suggested that all cells arise from cells that already exist.
Existing Cells
A cell is a living thing which is the basic unit for life. All living things are comprised of these cells. On the other hand, a molecule is composed of atoms covalently bonded to one another. Since cells are comprised of atoms (and molecules) without groups of atoms, there are no cells, thus no living organisms such as you and I.
all body parts grow due to the increase in number of cells in them.
The cell in your hand are bigger/same size the cell in your heart.
Because the cells would have to be on a glass slide to make them visible.
skin blood stem muscle nerve cells
All cells within an organism will have the same number of chromosomes, which is the diploid number. The gametes, on the other hand, will have the haploid number of chromosomes.
Do you mean a hand in cards, or stem cells for making a human had.
Not all cells have nuclei. All eukaryotic cells have nuclei and all prokaryotic cells do not.
ATP :)
They are in all cells. They are very important
No, your dead skin cells with repel water, not allowing it to reach the live cells underneath.
Depends on what you mean by change. Most cells are constantly dying and recreating, such as the cells making up the stomach lining(only have a life span of about 3 days). Brain cells on the other hand are created at birth and start dying off around 65 yrs. So for the most part all your cells change up every 11 months but not absolutely all of the cells. :) Katie
your brain