Carotenoids gives absorbance between 400 – 500 nm of wavelength while porphyrin gives absorbance at 400 nm of wavelength known as Soret band.

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#Id: 2166

#Unit 11. Evolution and Behavior

Adaptation has costly side effect

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#Id: 1623

#Unit 4. Cell Communication and Cell Signaling

Defensins (α and β) Disrupt membranes of bacteria, fungi, protozoan.

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#Id: 7500

#Unit 4. Cell Communication and Cell Signaling

Light-chain recombination occurs at the small pre-B-cell stage of B-cell development.

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#Id: 5945

#Unit 10. Ecological Principles

Efficiency of Gross primary production Trophic-level transfer efficiency appears to average around 10%, though there is much variation. In some marine food chains, for example, it can exceed 30%.

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#Id: 7697

#Unit 1. Molecules and their Interaction Relevant to Biology

                                                                 Greek Key Motif

Made-up of beta-sheets

Four adjacent antiparallel strands linked by loops

Three anti-parallel beta sheets are connected 3 loops

The pattern is similar to ornamental pattern used I ancient Greece, therefore called as Greek Key motif