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Ascidian

Ascidian

(Science: zoology) One of the ascidioidea, or in a more general sense, one of the tunicata. Also as an

Origin: gr. Bladder, pouch.


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Theories - Origin of Life

... the other iron-containing protein - hlorokruorin. The basis of it is not ferric iron, ferrous and which gives the blood and tissue fluid green. In ascidian blood is colorless, it is based - gemovanady containing vanadium ions. In octopus, spiders, scorpions, crabs, respiratory pigment of the blood ...

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by LeoPol
Mon Oct 10, 2011 8:30 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907168

WHAT IS THIS??

looks like an ascidian, don't know marine biology outside of pacific yet...

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by kjle
Wed Sep 20, 2006 10:34 am
 
Forum: Zoology Discussion
Topic: WHAT IS THIS??
Replies: 7
Views: 3475

Re: only plant and bacteria are known to produce cellulose

... sheath—made of cellulose—that encompasses the sea squirt. This was unexpected because only plant and bacteria are known to produce cellulose. The ascidian genome has also acquired a number of lineage-specific innovations, including a group of genes engaged in cellulose metabolism that are related ...

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by carriescamp
Fri Jun 02, 2006 9:52 am
 
Forum: Zoology Discussion
Topic: The Sea Squirt
Replies: 9
Views: 6913

The Sea Squirt

Sabrina I am not that good in prochordates and donot know about the skin lesions as they donot interest me. Among animals, urochordates (e.g., ascidians) are unique in their ability to biosynthesize cellulose. In ascidians cellulose is synthesized in the epidermis and incorporated into a protective ...

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by David George
Sun Mar 12, 2006 1:05 pm
 
Forum: Zoology Discussion
Topic: The Sea Squirt
Replies: 9
Views: 6913

only plant and bacteria are known to produce cellulose

... sheath—made of cellulose—that encompasses the sea squirt. This was unexpected because only plant and bacteria are known to produce cellulose. The ascidian genome has also acquired a number of lineage-specific innovations, including a group of genes engaged in cellulose metabolism that are related ...

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by Sabrina
Sat Mar 11, 2006 11:50 pm
 
Forum: Zoology Discussion
Topic: The Sea Squirt
Replies: 9
Views: 6913


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