A cell determines whether to undergo division at what are called checkpoints in the cell cycle. The activity of genes required to undergo the next stage in cell cycle is checked at these checkpoints by factors called cyclins and are aided by Cyclin-dependent kinases (Cdks), a type of enzymes.
Firstly, I want to correct the question, "How do cells divide".
Cells divide by two means;
The actual cellular mechanism involves the replication of the genetic matter, followed by the up regulated growth of cellular structures such as centrioles. Once genetic material has been replicated, spindles are formed and the genetic material is quite literally pulled apart to opposite sides of the cell. Together with the increased cellular structures, two new daughter cells are formed, each consisting of 46 (in human) chromosomes
The process by which these cells receive the stimulus to divide are varied. They can include physiological as well as pathological stimuli;
Growth factors (some substance) sets the division process in motion, then it's a domino effect of chemical interactions and signalling.
How do cells know when to divide
Stem cells are cells that are able to divide continuously without specializing. These kind of cells are undifferentiated biological cells.
Medical Science desperately Rushes In.
yes, cells grow to an enlarged size and divide into two small cells (which each enlarge and divide as well). but the larger cells get, the more difficult it is for them to function and operate, so they remain within certain size boundaries, getting large enough to divide and halving, large enough to divide and halving.
One of the major aspects of life is self replication, or reproduction. If cells didn't divide, then populations of organisms would not form, and evolution would be impossible. The more proximate cause is that as cells grow and ingest food, there is a limit to how big they can become before the cell wall no longer supports the cytoplasm. At or before this point, the cell must divide or it will lyse (split open) and die.
the answer is that i dont know
Cells divide.
yes. all skin cells divide and divide and divide all over your body.
i dont know.. Ask someone who knows!
Yes, endothelial cells divide. It is important that these cells divide to replace old/dead cells and to create new blood vessels.
yes. all skin cells divide and divide and divide all over your body.
The cells divide into two daughter cells, to make way for replication.
There are numerous reasons why cells divide. If someone skins their leg, for example, cells will divide for the purpose of replacing cells that have been damaged.
Somatic cells divide in order for organisms to grow and replace the cells that die.
If cells do not divide properly, then many problems can occur, cancer cells for example.
It is called mitosis when regular cells divide. It is called meiosis when sex cells divide.
all cells divide cells divide as a way to reproduce, the same way humans have babies and fish lay eggs.
The reason cells divide is because that helps you heal and grow