Mutationist - Theories were advanced by some geneticists who observed that discretely different new phenotypes can arise by a process of mutation.

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#Id: 4693

#Unit 11. Evolution and Behavior

Altruism

Altruistic acts serve to benefit the individual’s close relatives, or kin. They enhance the fitness of other individuals—their offspring—at a cost to themselves.

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#Id: 5730

#Unit 10. Ecological Principles

The Intermediate Disturbance Hypothesis Suggests Species Richness

Low rates of disturbance, competitively dominant species would outcompete all other species (K selected) At high levels of disturbance, species would be continually driven extinct and only good colonists and well disperse (r-selected) would persist. Intermediate disturbance, species richness is greatest in areas where disturbances are neither too large nor too small but are of intermediate size.

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#Id: 1541

#Unit 2. Cellular Organization

Kinesin-13 (End-Binding Proteins)

• Bind and curve the end of the tubulin protofilaments into the GDP-β-tubulin conformation

• Facilitate the removal of terminal tubulin dimers 

• Greatly enhancing the frequency of catastrophes

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#Id: 10289

#Unit 4. Cell Communication and Cell Signaling

T-cell lineage

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#Id: 4724

#Unit 13. Methods in Biology

Concentration of protein can be analyzed by to method constructive and destructive method