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Do you know what proteins are? In this video lesson, professor Paulo Jubilut clarifies one of the most complicated subjects in biochemistry. Understand the functions and structures of proteins in this super biology lesson. ✅ Study at BIOLOGIA TOTAL: http://www.biologiatotal.com.br ★ INSTAGRAM: / paulojubilut ★ FACEBOOK: / biologyjubilut ★ TWITTER: / prof_jubilut