Looks like someone's biology exam just turned into a political litmus test! The correct answer is hemoglobin, but option E suggests blood gets its crimson hue from communism. Must be why they call it the Red Scare. Thirty years after the Cold War and communism is still infiltrating our educational system—one multiple choice question at a time. Next chapter: "How the mitochondria seized the means of energy production."
The Red Menace In Biology 101

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