The central nervous system is derived from _____, the axial skeleton is derived from _____, and the muscles of the trunk are derived from _____?

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#Question id: 9253

#Unit 9. Diversity of Life Forms

A certain species of pine tree survives only in scattered locations at elevations above 2,800 meters in the western United States. To understand why

this tree grows only in these specific places, an ecologist should ________.

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#Question id: 15263

#Unit 2. Cellular Organization

Pure colonies also can be obtained from

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#Question id: 7055

#Unit 5. Developmental Biology

In drosophila, in the third instar leg disc, the center of the disc secretes the highest concentration of two morphogens:

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#Question id: 28901

#Unit 4. Cell Communication and Cell Signaling

Delipidation process to cleaves off Wnt’s attached lipids is an example of which mechanism?

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#Question id: 5818

#Unit 8. Inheritance Biology

How does recombinational repair differ from nucleotide excision repair (NER)?