The eukaryotic process characterized by replication of nuclear DNA and formation of a second identical nucleus.
6
votes
2answers
443 views
What is the main general difference between Mitosis and Meiosis?
I found such a clause:
The general principle is that mitosis creates somatic cells and
meiosis creates germ cells.
However, I cannot agree. Each gametogonium needs to go through mitosis before ...
6
votes
1answer
2k views
Mitosis in human body
I've heard that stomach lining has the fastest reproducing cells and the brain has the slowest.
Where in the human body does mitosis occur and at what rates do these cell reproduce? Is there a chart ...
6
votes
1answer
62 views
How are chromatids correctly segregated during mitosis?
In my book this is described as happening by kinetochores depolymerising from their attached microtubule spindle, then being dragged towards the spindle's centrosome by a dynein protein. I can ...
5
votes
1answer
76 views
Number of spindle fibres during Metaphase?
During metaphase, the chromosomes are arranged on the equatorial plate and are attached to spindle fibres. After S phase, can the cell be said to attain the configuration of 4n?
Also, during ...
4
votes
2answers
186 views
Under what circumstances will a human neuron divide?
I read somewhere that a mature neuron loses its ability to divide, except for very specific situations. I was unable to find the description of those situations. What are they?
(I'm sorry I'm not ...
3
votes
3answers
349 views
Are there verbs for “undergo mitosis” and “undergo meiosis”?
From my experience on SE sites, I believe this is the right site to ask this question under "terminology".
I've been trying to find out whether English has one-word verbs for "undergo mitosis" and ...
2
votes
1answer
35 views
What are centromeres *really*?
I've gathered that a centromere is a a region* where the DNA is bundles up even tighter (around protein different to Histone) and chromatids are 'joined'. However I'm still mostly in the dark ...
2
votes
0answers
31 views
Example(s) of reduced rate of mitotic progression?
Most species complete mitosis, and in particular the process of chromosome condensation, rather quickly, in a matter of minutes. Are there any known species that undergo mitoses with substantially ...
1
vote
2answers
90 views
How are different types of cells created from zygote?
In the process of mitosis that starts from zygote, how do different cells appear? What happens that some cells become one type and some another?
For example, is there a cell that divides into a ...
1
vote
0answers
33 views
Difference In Telomeres Between A Thale Cress Plant And A Methuselah Tree
From what I have read and understood telomeres cap off how many times a cell can divide before it can no longer divide and that is what causes aging.
A thale cress plant apparently has a life cycle ...
