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Prophase

Prophase

Classical term for the first phase of mitosis or of one of the divisions of meiosis. During this phase the chromosomes condense and become visible. The first stage of meiosis.The initial stage in nuclear Division (meiosis and mitosis), where there are two prophase stages in the meiosis process.


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Cancer and Cell cycle - cyclins/cdk/mutated genes?

General questions about how cancer affects the cell cycle... 1) Does cancer actually speed up the individual phases of mitosis (prophase, metaphase, anaphase, telophase) ... ie metaphase occurs 100x sooner following prophase in a cancer cell compared to a normal cell? or does cancer just ...

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by hydralisks
Sun Jul 05, 2009 4:28 am
 
Forum: General Discussion
Topic: Cancer and Cell cycle - cyclins/cdk/mutated genes?
Replies: 1
Views: 167

DNA and RNA Polomerase

actually that depends on the particular cell. some cells no not even decondense their chromosomes from telophase I to prophase II, but others certainly do, they form a nuclear envelope and the nuclei look interphase-like. of course, even when this does happen, the interphase is very ...

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by MrMistery
Sun Apr 19, 2009 1:16 pm
 
Forum: Cell Biology
Topic: DNA and RNA Polomerase
Replies: 3
Views: 428

Question on chromosomes

... the G1 phase, say that there are 46 chromosomes (the chromatins haven't condense),in the S phase of interphase the DNA is duplicated and later in prophase, when chromosomes are formed there'll be a double number of DNA --each chromosome is duplicated and each forms 2 chromatids; it becomes the ...

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by whizzbee
Sat Dec 27, 2008 3:52 pm
 
Forum: Cell Biology
Topic: Question on chromosomes
Replies: 1
Views: 410

animal+plant Cell Mitosis Question

... a Onion Root same as the time spend in phase in Animal Mitosis(whiteflesh blastula)? i calculated about 24% of time, the onion root is under going prophase, does that mean the whiteflesh blastula is also going under prophase 24% of the time? or is there a difference between animal and plant cell's ...

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by cs892
Sun Oct 19, 2008 4:15 am
 
Forum: Cell Biology
Topic: animal+plant Cell Mitosis Question
Replies: 6
Views: 2324

Centrosome

Look at the early steps of prophase - that should answer your question.

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by Darby
Wed Apr 02, 2008 6:32 pm
 
Forum: General Discussion
Topic: Centrosome
Replies: 1
Views: 435
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