This protein makes the blood red in color?

More Questions:

Within 3 years, either way, in what year did Lou Gehrig deliver his famous farewell speech at Yankee Stadium?

What was the first foot product invented by Dr. William Matthias Scholl?

In which novel would you find reference to the "Cracks of Doom"?

Who won a Pulitzer Prize for her novel "So Big"?

From what country did the US buy the Virgin Islands?

The Colorado River flows into what body of water?

What is the world's fastest growing plant?

What's the common name for the foot ailment also called verrucas?

Who stars as Walter Fielding Jr. in the 1986 movie "The Money Pit"?

On the "Abbey Road" album cover, which member of the Beatles is on the far left?

Who wrote the novel on which the movie, by the same name, "Jurassic Park" is based on?

The Maginot line was a defensive system constructed to protect what?

Which organization owns Stonehenge?

What was Lyndon B. Johnson's middle name?

What city was host to the first official Association football game in 1863?