Many phenotypic traits are genetically variable within species, they can readily evolve by natural selection and genetic drift.

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#Id: 5668

#Unit 7. System Physiology – Animal

Except in the cochlea, the kinocilium, is a true but nonmotile cilium with nine pairs of microtubules around its circumference and a central pair of microtubules. one of the largest processes and has a clubbed end. 

(The kinocilium is lost from the hair cells of the cochlea in adult mammals)

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#Id: 2286

#Unit 3. Fundamental Processes

Transcription that begins at promoters is specific, directed by the s-subunit

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#Id: 1940

#Unit 4. Cell Communication and Cell Signaling

Regulation of complement activity

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#Id: 1609

#Unit 4. Cell Communication and Cell Signaling

TLRs 1-10 are conserved between mice and humans, although TLR10 is not functional in mice, while TLRs 11-13 are expressed in mice but not in humans.

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#Id: 9710

#Unit 4. Cell Communication and Cell Signaling

Cdc24 = SOS

Cdc42 = Ras