# GO Tutorial: Build Your Own Ontology II

## Exercise II Tips

Remember that the meaning of a GO term comes from its definition as the term string can be ambiguous.

Some relationships are easy to add. "x transport" is always an instance of "transport"; "secretory pathway" is a blanket term referring to the route a substance takes out of a cell, so the transport of substances to, through and beyond the Golgi body will be part of the secretory pathway, as will the exocytosis of substances from the cell.

What is the relationship between secretion and transport, or are they unrelated?

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