Wnt proteins are modified by linkage of a monounsaturated fatty acid, palmitoleic acid, to a serine in the middle of the protein.

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#Id: 7058

#XL - T Zoology

The Forces of Evolution

mutation, 

genetic drift

gene flow or migration

selection.

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#Id: 9534

#XL - T Zoology

Emergence of evolutionary thoughts

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#Id: 9535

#XL - T Zoology

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#Id: 9536

#XL - T Zoology

Evolution

Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time. 

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#Id: 9537

#XL - T Zoology

Proximate causes - The subject of cell biology, neurobiology, and many other biological disciplines.

Ultimate causes - Their historical causes, especially the action of natural selection.

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#Id: 9538

#XL - T Zoology