How to get the taxonomy ID and category ID from a category-slug ?

Hi,

I have 2 taxonomies "Sports" and "Food", Under "Sports" I have several categories such as "soccer", "basketball", etc.. My question is, when i am on "basketball" page (that list out all posts under this category), how do I get the ID of "basketball" category and its taxonomy "Sports" ?
The Idea is I want to highlight selected category on my navigation.