Discussion of all aspects of cellular structure, physiology and communication.
8 posts • Page 1 of 1
Cell division is a very complicated thing, James. Your question is really hard and I am stupid, that's why i will not answer it.
Here's a few things I think you may find helpfull:
Division is under control by different factors: internal and external, depending on the species of organism. For example, a bacteria divides whenever it can: in the propper conditions, the earth would be filled with bacteria in a number of days(a small one)
Before a cell can divide it needs to double the quantity of DNA, histonic and non-histonic proteins. The main controling mithosis in humans are your genes. When it is out of control=> cancer(if you want to know more about that maybe Poison will tell you)
R u talking about meiosis or mitosis?? I'll tell you meisosis anyway
It starts with 4 chromosomes in the prophase where all the homologous chromosomes come together and form up 2 bivalents and the centrioles seperate and form a spindle .
next comes the metaphase, where the bivalents line up on the equator of the spindle.
after that in the anaphase they go opposit eachother.
then the telophase where the cytoplasm divides in 2.
now 2 cells are made. now the second prophase is beginning. again a spindle is made.
then the second metaphase. this time the chromosomes instead of the bivalents line up on the equator of the spindle. second anaphase: The 2 chromatids (a chromosome is made of 2 chromatids) divide. they move away from each other. now last but not least the second telophase where again cytoplasm divides and 4 cells are formed. each with half the chromosomes needed: 23!! (in a human)
I hope this answered your question!! Cause its all i now!!
I'm not sure but, water might be a factor. (if we are talking about root tissue)
By the way, root tissue has nothing to do with meiosis.
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I think the length of the root is determined by the individual genetic data of an organism and also in determined by efficiency; once the root reaches a certain length, the energy required to sustain the root might outweight the additional benefits, kind of like the height limit of trees.
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8 posts • Page 1 of 1
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