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Opsin

opsin

(Science: protein) general term for the apoproteins of the rhodopsin family.


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Dihybrid cross involving two sex-linked genes

... chromosome X (Xq28 if you want to look at the map) and the gene coding for the factor VIII (cause of hemophilia A) and one coding for one of the Opsin (causing one of the form of color blindness) are just about 562 thousand bp apart. If we take teh wiki definition that put one cM at ca. 1 million ...

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by canalon
Tue Mar 29, 2011 5:10 pm
 
Forum: Genetics
Topic: Dihybrid cross involving two sex-linked genes
Replies: 6
Views: 9040

Are tissues in the body capable of sensing pain?

actually the cause has to do with the adaptation of the eye to light. the darkness causes all the retinen in cone cells to associate with its opsin partner, leading to an increased sensitivity of the cell to intense light. When the light is turned on, it overwhelms the receptor. It takes a few ...

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by MrMistery
Thu Jan 10, 2008 6:42 pm
 
Forum: Human Biology
Topic: Are tissues in the body capable of sensing pain?
Replies: 24
Views: 13449

The Fiber Disease

A Human Opsin-Related Gene That Encodes a Retinaldehyde-Binding ProteintJ ABSTRACT: The ligand-binding property of a cytoplasmic membrane-bound protein from bovine retinal pigment epithelium (RPE) has been demonstrated. The putative ...

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by London
Sat Dec 02, 2006 11:03 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988768

The Fiber Disease

A Human Opsin-Related Gene That Encodes a Retinaldehyde-Binding ProteintJ ABSTRACT: The ligand-binding property of a cytoplasmic membrane-bound protein from bovine retinal pigment epithelium (RPE) has been demonstrated. The putative ...

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by London
Sat Dec 02, 2006 11:01 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988768

The Fiber Disease

During visual excitation, rhodopsin undergoes photoactivation and bleaches to opsin and all-trans-retinal1, 2. To regenerate rhodopsin and maintain normal visual sensitivity, the all-trans isomer must be metabolized and reisomerized to produce ...

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by London
Sat Dec 02, 2006 10:52 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 4988768
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