Biology- Mitosis

TIIE PROCESS OF MITOSIS
SYlLABUS OBJECTIVE
Candidates should be able to:



insinuate the deal of mitosis.
CONTENT


C 1.1



Mitosis is the process by which the heart of a prison cadre divides into two like nuclei. Following
this, on that point is separation of the cytoplasm into two cellular ph bingles each containing a nucleus. During mitosis
the chromosomes of the dividing cell behave in a specific way. This parent cell lastly
separates into two identical cells called girl cells. Each daughter cell contains the same
number and types of chromosomes as the parent cell.
It should be noted that the process is a continuous one and stratum into stages is merely for
convenience. Since the process of mitosis is basically the same in plants and animals, the process
in animal cells will be described.
When a cell is not dividing. its chromosomes are not visible. They exist as long, come megabucks strands
(referred to as chromatin) dispersed within the material of the nucleus. The cell is carrying our.
its normal, every(prenominal) day activities e.g. respiration, protein synthesis and other processes related to
its special roJe in the life of the tissues or organs of which it forms a part.
Just forwards cell division begins, each chromosome makes a copy of itself (i.e it replicates).



As
a result of this process, each is now composed of a pair of structures, called chromatids. Each
chromatid is a complete chromosome containing information identical [0 that of the original
chromosome. The paired chromatids are held together at one point by a small spherical consistency
called the centromere.
The stages of mitosis
I.The onset of mitosis is marked by several changes. The chromosomes begin to narrow and
coil into a helix (i.e like a cylindrical spring). This causes them to become more visible.
The membrane around the nucleus breaks down and a spindle is formed. (The spindle is
made of fibres which will eventually shorten to separate the chromatids.)...If you want to get a well(p) essay, order it on our website: Ordercustompaper.com



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