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There was a meme going around where a doctor took a high school biology quiz.

Q: What are mitochondria?

A: [Long complex scientific answer about ATP synthesis]

Grader: Wrong. Mitochondria are the powerhouse of the cell.

In a "Business and Communication Systems" exam at school I got the question "Explain how email works". Being the nerdy teen I was, I wrote about SMTP, MX records and that sort of thing.

That was not the right answer.

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