The effects of the autonomic nervous system on heart rate are called  chronotropic effects.

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#Id: 392

#Unit 2. Cellular Organization

The two H2A.H2B dimers each associate with 30 bp of DNA on either side of the central 60 bp of DNA bound by H3 and H4.

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#Id: 1873

#Unit 10. Ecological Principles

α12<1 Individuals of species 2 have less inhibitory effect on individuals of species 1 than individuals of species 1 have on others of their own species.

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#Id: 6378

#Unit 2. Cellular Organization

The lac operon has three paradoxes

if the operon is in a repressed state, how does the inducer enter the cell to start the process of induction

 If the operon is in a repressed state, how Repressor is removed with allolactose 

 How is allolactose synthesized in Repressed state Answer is Leaky Expression

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#Id: 8875

#Unit 2. Cellular Organization

Pin1 and Plk1 modify and phosphorylate Cdc25C to stimulate its phosphatase activity

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#Id: 5195

#Unit 7. System Physiology – Animal

The extrinsic system is triggered by the release of tissue thromboplastin, a protein–phospholipid mixture that activates factor VII.