Скачать с ютуб Oxford biochemistry interview question - WHY DOES DNA HAVE 4 BASES? в хорошем качестве

Oxford biochemistry interview question - WHY DOES DNA HAVE 4 BASES?

Example Oxford biochemistry interview question. How to answer the Oxford biochemistry question: Why does DNA have 4 bases? In this short video, I'll go through how to answer this question effectively. To do so, you'll need to have a good understanding of DNA structure and replication and the nature of the genetic code. Timestamps below! At ElvisOxfordCoach, we provide personalized biochemistry interview support, including mock interview, effective communication techniques and targeted lessons to bridge the knowledge gap between A-Level/IB and university-level biochemistry. Get in touch: https://www.elvisoxfordcoach.com/   / elvi98   https://wa.me/+447484881042 ============================================================ 00:35 Why does DNA have 4 bases? 01:05 Why DNA doesn't have 3 bases 01:39 Why not 2 bases 02:35 Follow-up question - why not 6 bases? 04:00 Follow-up answer - 20 amino acids are enough / only 20 amino acids are chemically stable 04:45 Follow-up answer - only 4 nucleic acids were chemically stable enough to be incorporated into DNA 05:25 PERSONALIZED INTERVIEW SUPPORT AT ELVISOXFORDCOACH.COM 06:00 Preview to next video!