Molecular Handcuff 

Phosphorylation of Raf is recognize by protein 14-3-3 dimer, which locks the autoinhibitory domain in a position where it blocks and inhibits the kinase active site

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#Id: 8919

#Unit 2. Cellular Organization

MKLP1 is inhibited by 14-3-3 to ensures that the spindle midzone microtubules do not compact until the end of anaphase

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#Id: 3373

#Unit 6. System Physiology – Plant

Alternating single and double bonds that largely accounts for the absorption of visible light.

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#Id: 6343

#Unit 8. Inheritance Biology

X-Linked Color Blindness in Humans 

The human eye perceives color through light-sensing cone cells that line the retina.  Each cone cell contains one of three pigments capable of absorbing light of a particular wavelength: one absorbs blue light, a second absorbs red light, and a third absorbs green light.

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#Id: 419

#Unit 2. Cellular Organization

Mammalian macroH2A is enriched in the inactive X chromosome in females, which is assembled into a silent, heterochromatic state

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#Id: 172

#Unit 5. Developmental Biology

Combination of Pax6, Sox2, and L-Maf in the ectoderm is needed for the production of the lens and the activation of lens-specific genes i.e. δ-crystallin.