Histone tail modifications 

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#Id: 8376

#Unit 2. Cellular Organization

Myosin 

Actin-based motors powered by ATP hydrolysis.

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#Id: 8228

#Unit 10. Ecological Principles

Spatial structure - The pattern of density and spacing of individuals in a population.

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#Id: 1818

#Unit 10. Ecological Principles

r<0, the population decreases

r=0, the population remains constant

r>0, the population increases

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#Id: 5259

#Unit 7. System Physiology – Animal

The action potential spreads throughout the myocardium in the following sequence:

SA node  Atrial internodal tracts and atria  AV node  Bundle of His  Purkinje system  Ventricles

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#Id: 9961

#Unit 4. Cell Communication and Cell Signaling

Lipid modifications of Wnt are catalyzed by the 

O-acetyltransferase Porcupine.