In the presence of ATP,  myosin head releases from the actin filament. 

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#Id: 9975

#Unit 4. Cell Communication and Cell Signaling

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#Id: 7614

#Unit 5. Developmental Biology

Mechanisms of Egg Activation

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#Id: 2392

#Unit 3. Fundamental Processes

Trans-splicing is rare in multicellular eukaryotes, it occurs as the primary mechanism to process precursor RNA into mature, translatable mRNAs in some organisms, such as trypanosomes and nematodes.

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#Id: 5320

#Unit 7. System Physiology – Animal

Reduced Ventricular Ejection

Left atrial pressure continues to increase as blood returns to the left heart from the lungs.

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#Id: 5955

#Unit 10. Ecological Principles

Carnivore assimilation efficiencies are often about 80%, because carnivores consume largely soft tissue,  Assimilation efficiencies for herbivores average only about 5–20% 

Assimilation efficiencies of aquatic herbivores have higher  than terrestrial herbivores.