Mutating or deleting the destruction box in mitotic cyclins prevented their ubiquitination and blocked cells from exiting mitosis.

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#Id: 5479

#Unit 7. System Physiology – Animal

Ca2+ uptake into the terminal causes release of the neurotransmitter acetylcholine (ACh), which has been previously synthesized and stored in synaptic vesicles.

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#Id: 2241

#Unit 11. Evolution and Behavior

Neutral theory of molecular evolution developed by Motoo Kimura

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#Id: 8770

#Unit 1. Molecules and their Interaction Relevant to Biology

                                                                                                                                                                                                                                                                      

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#Id: 10045

#Unit 4. Cell Communication and Cell Signaling

In Notch/Delta pathway, 

Notch is receptor protein, on a neighboring responding cell

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#Id: 6508

#Unit 7. System Physiology – Animal

Tetrahydrobiopterin (BH4) is a cofactor for tyrosine hydroxylase and phenylalanine hydroxylase