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Meristems

meristem

(Science: plant biology) group of actively dividing plant cells, found as apical meristems at the tips of roots and shoots and as lateral meristems in vascular tissue (vascular cambium) and in cork tissue (phellogen).

Also found in young leaves and at the bases of internodes in grasses. Consists of small nonphotosynthetic cells, with primary walls and relatively little vacuole. See [[apical meristem and [[lateral meristem.


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Biology IQ test: How smart are you = look

... to be A. found in all cells B. a hallmark of transformation C. present in just germ cells D. highly processive and very active in the pine meristems and in the cambium 37) The heredity model which Mendel developed emphasized A. blending of traits to create hybrids B. the particulate an ...

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by DemiMike
Sat Nov 28, 2009 6:21 am
 
Forum: General Discussion
Topic: Biology IQ test: How smart are you = look
Replies: 3
Views: 12216

Re: development of plants vs development of animals.

Hello Actually I know considerable amounts about meristems. I understand that they are embryonic plant tissue in the tips of roots and in the buds of shoots that supply cells for the plant to grow in length. The problem is that pattern formation ...

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by NewtoBiology
Wed Sep 17, 2008 4:57 am
 
Forum: General Discussion
Topic: development of plants vs development of animals.
Replies: 3
Views: 4926

development of plants vs development of animals.

You need to read about meristems.

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by Darby
Tue Sep 16, 2008 8:20 pm
 
Forum: General Discussion
Topic: development of plants vs development of animals.
Replies: 3
Views: 4926

Re: Mitosis and Meiosis

... tissues - primary or secondary - contribute more to annual plant growth in width. In the woody plants it is unanimously secondary (or lateral) meristems. In either case all meristems divide and more rapidly than those of the promeristem - heart of apical meristem.

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by Cat
Thu Mar 13, 2008 10:57 pm
 
Forum: Cell Biology
Topic: Mitosis and Meiosis
Replies: 19
Views: 26147

Re: Mitosis and Meiosis

Let's leave out secondary meristems - i think we can agree mitosis takes place there, but I was referring to primary structure here. Primary meristems are for growing in width? I honestly don't think that's the case. By looking at the ...

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by MrMistery
Thu Mar 13, 2008 9:32 pm
 
Forum: Cell Biology
Topic: Mitosis and Meiosis
Replies: 19
Views: 26147
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