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Dictionary » A » Amyloplast

Amyloplast

Definition

noun, plural: amyloplasts

(botany)

A type of leucoplast found in the cytoplasm of a plant cell, and serves as storage organelle of amylopectin.


Supplement

Amyloplasts transform glucose into starch by polymerization and store the starch grains in the stroma. They are non-pigmented plastids, and most of them can be found in underground storage tissues of plants, such as potato.


Word origin: form of Gk ámylon: starch + Gk plastós: formed, molded.
Compare: elaioplast, proteinoplast.
See also: statolith, plastid, starch.


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Need help with an alien cell (for a plausible fiction)

... sub - Basic storage unit. - Proteinobulloid - Protienoplast sub - Stores protien. - Elaiobulloid - Elaioplast sub - Stores fat. - Amylobulloid - Amyloplast sub - Stores starch. - Statobulloid - Statolith Sub - Gives one side of cell greater weight than the other, allowing for a sence of gravity. ...

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by TemporalV01D
Tue Feb 08, 2011 1:48 pm
 
Forum: Cell Biology
Topic: Need help with an alien cell (for a plausible fiction)
Replies: 3
Views: 8381

amyloplast in leaves??

Hello, I recently observed by electron microscopy Arabidopsis first leaves, on 3 week-old plantlets. I cut in the abaxial side of the 2nd leaf, and i what i observed is amyloplasts everywhere. What the hell they are doing here? Does anyone know something to explain this? If you do not believe me, ha...

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by samuelmain
Thu Dec 27, 2007 2:49 pm
 
Forum: Botany Discussion
Topic: amyloplast in leaves??
Replies: 0
Views: 2057


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