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Meristem

Undifferentiated tissue from which new cells are formed, as at the tip of a stem or root.


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Question on Xylem and Phloem; primary and secondary

... and phloem versus secondary xylem and phloem?" What I put/am thinking, is that primary x&p is formed by primary growth and an apical meristem whereas secondary x&p is formed by the vascular cambium in secondary growth. Would you consider that an accurate/adequate answer? If not ...

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by naturalgoats
Wed Nov 23, 2011 7:43 pm
 
Forum: Botany Discussion
Topic: Question on Xylem and Phloem; primary and secondary
Replies: 2
Views: 5966

Rate of Cell division in 4 regions of an onion root tip HELP

... there, I have to look at four regions of an onion root tip and rank which will have the fastest to slowest cell division rate: Root Cap, Apical Meristem, Zone of Elongation, and the Zone of Maturation. So far, I've come up with this: (1 being the fastest) Root Cap...............4 Apical Meristem.......1 ...

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by hullio1233
Sat Jan 31, 2009 9:12 pm
 
Forum: Cell Biology
Topic: Rate of Cell division in 4 regions of an onion root tip HELP
Replies: 0
Views: 5512

CHimeras: layers or zones???

... and I especially logged in this forum, to get help! (English is not my first language, as you might guess...) Problem: chimeras A shoot apical meristem can be divided into 3 layers (LI, LII, LIII). Now all cells derive from those layers and they even keep the order, when the divide. So when ...

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by Megalodon
Tue Nov 04, 2008 8:32 pm
 
Forum: Botany Discussion
Topic: CHimeras: layers or zones???
Replies: 0
Views: 2057

auxin experiment thanks:)

What would you expect to happen when you removed the meristem from 10 coleptiles, then placed five in water and the other five in auxin concentration of (2mg/ml)? What would you notice about the number of cells for each section?

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by rosieburk
Sat May 10, 2008 8:24 am
 
Forum: Cell Biology
Topic: auxin experiment thanks:)
Replies: 1
Views: 1939

Mitosis and Meiosis

so the protoderm, ground meristem and procambium are part of the apical meristem? That does explain why I understood it the wrong way: cause everywhere it said that the apical meristem is the region where mitosis occurs - and then it ...

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by MrMistery
Sat Mar 15, 2008 4:10 pm
 
Forum: Cell Biology
Topic: Mitosis and Meiosis
Replies: 19
Views: 26134
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