.

Q 1:  “What is a cell?”

  Observation 1:  “The great scientist Darwin didn’t have a clue.”

  Observation 2:  “Now we know much, much more.”

  Observation 3:  “Very much more.”

“It’s very complicated. Let’s go to something else…”

Q 2:  “What is a proton?”

   Response 1:  “A ‘+1 charged’ particle in the nucleus of an atom.”

Q 3:  “What, then, is this particle made of?”

For more use the DOOR.

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