Two inhibitory phosphorylations on CDK play a critical role in controlling CDK activity:

Y15

T14

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#Id: 5721

#Unit 10. Ecological Principles

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#Id: 5218

#Unit 7. System Physiology – Animal

In vivo, a plasma Ca 2+ level low enough to interfere with blood clotting is incompatible with life. In vitro, clotting can be prevented if Ca 2+ is removed from the blood by the addition of substances such as oxalates or chelating agents.

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#Id: 8964

#Unit 11. Evolution and Behavior

A third fate that can befall a duplicated gene is neofunctionalization. Here the duplicate evolves a novel biological function. 

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#Id: 767

#Unit 3. Fundamental Processes

Abortive transcription is when RNA Polymerase makes short transcripts, typically shorter than 10 nucleotides (nt), while still bound at the promoter.

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#Id: 2723

#Unit 12. Applied Biology