Where does peptide bond formation occur in a bacterial ribosome and how?(i) Name the scientist who suggested that the genetic code should be made of a combination of three nucleotides.

Peptide Bond Formation in Bacterial Ribosome 1. Location of Peptide Bond Formation: Peptide bond formation occurs in the P-site (Peptidyl site) of the bacterial ribosome during protein synthesis. 2. Process of Peptide Bond Formation: Initiation: The process begins with the initiation complex, where the small ribosomal subunit binds to the mRNA. The initiator tRNA carrying methionine occupies the P-site. Elongation: Aminoacyl-tRNA molecules enter the A-site (Aminoacyl site), and their amino acids are transferred to the growing polypeptide chain. The ribosome facilitates the formation of a peptide bond between the amino acid in the A-site and the growing chain in the P-site. Translocation: The ribosome moves along the mRNA, shifting the tRNA and mRNA by one codon. The uncharged tRNA exits the E-site (Exit site), and the tRNA with the growing polypeptide chain shifts to the P-site. Termination: The process continues until a stop codon is encountered. Release factors bind to the stop codon, leading to the release of the completed polypeptide chain. Scientist Behind the Genetic Code Concept 1. Contributions to Genetic Code Concept: The idea that the genetic code is composed of a combination of three nucleotides, known as triplet codons, was suggested by George Gamow. 2. Role of George Gamow: George Gamow, a prominent physicist and biochemist, proposed the triplet nature of the genetic code in the early 1950s. He hypothesized that three nucleotides in a sequence would code for a specific amino acid, laying the foundation for understanding the genetic code. UrbanPro.com: Elevate Your Class 12 Tuition Experience 1. Expert Tutors in Molecular Biology: Connect with expert tutors on UrbanPro.com offering Class 12 Tuition in molecular biology. Gain in-depth knowledge of processes like peptide bond formation in bacterial ribosomes. 2. Best Online Coaching for Class 12 Tuition: Explore a curated list of coaching institutes providing the best online coaching for Class 12 Biology. Access live sessions, study materials, and personalized guidance to excel in your Class 12 studies. 3. Verified Professionals for Trustworthy Education: UrbanPro.com ensures that all tutors and coaching institutes are verified, providing a trustworthy platform for students. Read reviews and ratings to choose the most suitable tutor or coaching institute for your Class 12 Tuition needs. 4. Interactive Learning for Enhanced Understanding: Benefit from interactive online classes, discussions, and practical examples to enhance your understanding of complex topics. UrbanPro.com fosters an engaging learning environment to ensure academic success. Conclusion In conclusion, peptide bond formation occurs in the P-site of a bacterial ribosome during protein synthesis. George Gamow, a pioneer in molecular biology, proposed the concept of the genetic code being comprised of triplet codons. For Class 12 students seeking expert guidance in molecular biology, UrbanPro.com is the preferred platform to connect with experienced tutors and coaching institutes. Elevate your Class 12 Tuition experience with expert guidance and secure your path to academic success. Connect with professionals on UrbanPro.com today! read less