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Seed

seed

(Science: biology plant biology) A propagating organ formed in the sexual reproductive cycle of gymnosperms and angiosperms, consisting of a protective coat enclosing an embryo and food reserves. A small hard fruit.A mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa.The thick white fluid containing spermatozoa that is ejaculated by the male genital tract.The structure found in a fertilised ovule of a plant. Generally, this will consist of two main components, the [[embryo and [[endosperm. The endosperm acts as a food store for the embryo which over time, will grow from this rich food supply enabling it to do so.


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Re: Is DNA living or non-living thing?? get the answer here

... to animate natural selection, is Aromaticity.Hydrogen Bonding. Dov Henis (comments from 22nd century) http://universe-life.com/2011/07/10/seed-of-human-chimp-genomes-diversity/ http://universe-life.com/2012/02/03/universe-energy-mass-life-compilation/ tags: life genesis, natural selection, ...

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by Dov Henis
Fri Dec 28, 2012 4:29 pm
 
Forum: Molecular Biology
Topic: Is DNA living or non-living thing?? get the answer here
Replies: 23
Views: 30588

How many pollengrains enter the ovary?

How many pollen grains enter the ovary during pollination. If only one pollen tube enters,one seed should be formed.But how is it possible to form large nuber of seeds in a single ovary?

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by kumar985
Sun Oct 28, 2012 9:32 am
 
Forum: Botany Discussion
Topic: How many pollengrains enter the ovary?
Replies: 1
Views: 496

Science project on lettuce seed germination

HI! I am doing a science fair project on how deep i should plant a lettuce seed and how it affects the germination process. Does anyone know anything that could help a junior high student? :?: thanks!!

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by warnv18
Fri Oct 19, 2012 4:15 pm
 
Forum: Botany Discussion
Topic: Science project on lettuce seed germination
Replies: 2
Views: 661

How dominance works at the DNA/RNA/protein

... of DNA on, let’s say, chromosome 6 and it codes for a key enzyme required for production of chlorophyll (green pigment) in the coat of a pea seed (now it’s a gene. Note that trait loci can comprise of more than one gene!) You also discover that when that yellow pea color gene produces the ...

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by Cat
Fri Oct 05, 2012 1:15 am
 
Forum: Genetics
Topic: How dominance works at the DNA/RNA/protein
Replies: 10
Views: 2050

Re: coat structure in white bean seeds

Unexpectedly , I saw such branched bundles planarly embedded in the thin leaflet just below the external seed surface. Why there? May be they have a role during imbibition. Thanks

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by leosilv
Wed Sep 05, 2012 2:38 am
 
Forum: Botany Discussion
Topic: coat structure in white bean seeds
Replies: 2
Views: 1510
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