You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.
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Question: Category: GOING WIRELESS 
Clue: Thanks to firms like Pegaso & Telemex, this country now has more cellular users than fixed line customers

Answer: mexico


Question: Category: "OID" VEY 
Clue: Because it carries 2 sets of chromosomes, a zygote is this type of cell

Answer: diploid


Question: Category: THE U.S. MINT 
Clue: During WWII these were made of steel, but a rare 1943 copper one has sold for over $80,000

Answer:
penny