@specht_bio: Have you ever seen bacteria this up close? Gram staining is one of the most classic and powerful techniques in microbiology — and with just a few reagents, we can reveal essential structural differences between bacteria. • Purple = Gram-positive (thick cell wall rich in peptidoglycan) • Pink = Gram-negative (thin wall + outer membrane) This difference changes everything — from the choice of antibiotic to the level of health risk. And to think it all starts with a simple smear and a few minutes under the microscope! Have you ever learned or taught this technique? Share your experience in the comments! @microbio_lupa @Microbiology Matters @Prof. Lucas W.S.Sousa @Microbiologia Clínica @Microbiology_tok #microbiology #biology #Science #biotechnology #bacteria

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Sunday 04 January 2026 16:25:41 GMT