Which of the four bases of DNA isn't found in RNA?

More Questions:

Which American colonial beverage was produced by freeze-distilling cider throughout the cold winter months?

What kind of cheese is most commonly sold in the US as processed "string cheese"?

What year did GM first introduce the Corvette?

What is the Hawaiian word for "hello"?

What is Demeter the god of?

In 1803 The Louvre was renamed to what?

What musical's show-stopping songs include "Mr. Cellophane" and "Razzle Dazzle"?

Which ocean surrounds the Union of the Comoros?

How many carats is pure gold?

What kind of an animal is the "horny toad"?

Who won an Oscar for her performance in "Mary Poppins"?

Which British actor played Basil Fawlty in the TV show "Fawlty Towers"?

What military legend was nicknamed "Unconditional Surrender"?

What nation was led by Theodoric the Great?

Of what nationality was the explorer Ponce de Leon?