Cohesins 

The protein ring complexes that establish linkages between sister chromatids

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#Id: 9860

#XL - R Botany

In the dark, the maximum absorption of the FMN chromophore is around 450 nm. 

Blue light induces the formation of a covalent bond between FMN and a cysteine residue, shifting the absorption maximum to 390 nm via a LOV660 intermediate form. The reaction is reversible in darkness.

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#Id: 9541

#XL - T Zoology

James Hutton and Charles Lyell – Uniformitarianism

Darwin was greatly influenced by Lyell’s teachings, and he adopted uniformitarianism in his thinking about evolution.

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#Id: 9830

#XL - R Botany

Plants that are deficient in phyB often look like wild-type plants that are grown under dense vegetative canopies.

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#Id: 8156

#XL - Q Biochemistry

Two different kinds of sorting signals:

Membrane cargo proteins carry cytoplasmic sorting signals

Soluble cargo proteins carry luminal sorting signals

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#Id: 10375

#XL - Q Biochemistry

One individual, however, expresses only a small number of these molecules—up to six different class I molecules and 12 or more different class II molecules.