In my biotech days, I'd explain gel electrophoresis separates DNA, RNA, or proteins by size, and the blots—Southern, northern, western—detect each of those molecules specifically. The truth is, I left the lab bench because knowing *what* they detect felt less urgent than seeing *who* they help. Last night, holding a patient's hand while we waited for a test result, I realized I want to sell the machines that give families answers, not just run them.
#javelin#throws
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