Rhodopsin has two components: 

Opsin protein, member of the GPCR A family 

11-cis-retinal light-absorbing pigment

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#Id: 3504

#Unit 2. Cellular Organization

In multicellular eukaryotes most genes are interrupted, and the introns are usually much longer than exons, so genes are considerably larger than their coding regions.

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#Id: 7169

#Unit 5. Developmental Biology

The major candidate for the factor that forms the Nieuwkoop center was β-catenin (This multifunctional protein also proved to be a key player in the formation of the dorsal amphibian tissues)

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#Id: 4672

#Unit 13. Methods in Biology

A precipitation curve for a system of one antigen and its antibodies. This plot of the amount of antibody precipitated versus increasing antigen concentrations (at constant total antibody) reveals three zones: 

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#Id: 2557

#Unit 13. Methods in Biology

The light-absorbing/ emitting center of GFP (its chromophore) comprises an oxidized form of the tripeptide –Ser65–Tyr66–Gly67

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#Id: 6912

#Unit 8. Inheritance Biology

In heterozygotes DUPLICATIONS - The pairing and synapsis of homologous regions require that one or both chromosomes loop and twist.