What protein is responsible for giving blood its color?

More Questions:

American Hamilton Smith patented what in 1858?

How many times are Mexican refried beans fried?

What is "nori" made from?

What was originally Coca-Cola sold as?

What is sometimes known as Goober Grease?

Which book of the Bible follows Exodus?

Which literary work's title character is named Henry Higgins?

What is Bridget Jones" home city?

Proteus orbits what planet of the solar system?

What military contractor invented the first microwave oven?

What is the offspring of a male horse and a female donkey?

Which 1947 film, starring Cary Grant and Loretta Young was directed by Henry Koster?

In the 1990 movie "Pretty Woman', Julia Roberts is payed to stay for how long with Richard Gere?

Who had a hit with the song and album "Sweet Dreams (Are Made Of This)"?

When did Arizona and New Mexico become states?