The Class II synthetases lack the foregoing sequences but have three other sequences in common.

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#Id: 1605

#Unit 5. Developmental Biology

Cells passing through the more anterior portions of the primitive streak give rise to the endoderm, head mesoderm, and notochord.

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#Id: 8137

#Unit 2. Cellular Organization

In animal cells,

Most of the glycosaminoglycans of the extracellular matrix are synthesized in golgi apparatus.

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#Id: 8895

#Unit 2. Cellular Organization

Monotelic attachment 

only one kinetochore can attach to microtubules

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#Id: 469

#Unit 2. Cellular Organization

Introns evolve or accumulate mutations/changes much more rapidly than exons

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#Id: 9987

#Unit 4. Cell Communication and Cell Signaling

Wnt ligands are recognized by Frizzled/retinoic acid-related orphan receptor (ROR)/receptor tyrosine kinase (RYK) receptor complexes