Gleason’s individualistic model- Competition does not cause sharp boundaries; different species do not group together due to physical variables.

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#Id: 9911

#Unit 4. Cell Communication and Cell Signaling

Arachidonic acid and some eicosanoid derivatives

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#Id: 8363

#Unit 2. Cellular Organization

Myosins have 

Motor head domain

Lever-arm neck domain

Cargo-binding tail domain

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#Id: 2190

#Unit 10. Ecological Principles

Facilitation model =  Species are facilitated by previous colonists

Inhibition model =  They are inhibited by the action of previous colonists

Tolerance model  =  They are unaffected by  previous colonists/ New pioneer neither inhibit nor facilitate 

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#Id: 170

#Unit 5. Developmental Biology

BMP4 

A protein that is received by the lens cells and induces the production of the Sox transcription factors.

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#Id: 2428

#Unit 3. Fundamental Processes

Initiation relies solely upon the interaction between RNA polymerase and duplex DNA, however, the termination event also involves recognition of signals in the transcript by RNA polymerase.