Rna and protein synthesis
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1. The document describes the three main steps in protein synthesis: transcription, RNA processing, and translation. 2. Transcription involves copying a segment of DNA into a complementary mRNA molecule. RNA processing removes introns from pre-mRNA, joining exons to create mature mRNA. 3. Translation uses the mRNA to sequence amino acids via tRNA molecules on ribosomes, forming proteins according to the genetic code.
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Rna and protein synthesis
- 1. RNA AND PROTEIN SYNTHESIS By Muhammad Asif Pu Pak Muhammad Asif Pu
- 3. DNA RNA Protein Eukaryotic Cell Muhammad Asif Pu Nuclear membrane Transcription RNA Processing Translation DNA Pre-mRNA mRNA Ribosome Protein
- 7. 1. Transcription Eukaryotic Cell Muhammad Asif Pu Nuclear membrane Transcription RNA Processing Translation DNA Pre-mRNA mRNA Ribosome Protein
- 9. 1. Transcription Muhammad Asif Pu DNA pre-mRNA RNA Polymerase
- 13. A. Messenger RNA (mRNA) Muhammad Asif Pu methionine glycine serine isoleucine glycine alanine stop codon protein A U G G G C U C C A U C G G C G C A U A A mRNA start codon Primary structure of a protein aa1 aa2 aa3 aa4 aa5 aa6 peptide bonds codon 2 codon 3 codon 4 codon 5 codon 6 codon 7 codon 1
- 16. B. Transfer RNA (tRNA) Muhammad Asif Pu amino acid attachment site U A C anticodon methionine amino acid
- 17. 2. RNA Processing Eukaryotic Cell Muhammad Asif Pu Nuclear membrane Transcription RNA Processing Translation DNA Pre-mRNA mRNA Ribosome Protein
- 19. 2. RNA Processing Muhammad Asif Pu pre-RNA molecule intron intron exon exon exon exon exon exon Mature RNA molecule exon exon exon intron intron splicesome splicesome
- 20. Ribosomes P Site A Site Large subunit Small subunit Muhammad Asif Pu mRNA A U G C U A C U U C G
- 21. 3. Translation - making proteins Eukaryotic Cell Muhammad Asif Pu Nuclear membrane Transcription RNA Processing Translation DNA Pre-mRNA mRNA Ribosome Protein
- 23. 3. Translation P Site A Site Large subunit Small subunit Muhammad Asif Pu mRNA A U G C U A C U U C G
- 24. Initiation mRNA A U G C U A C U U C G A anticodon hydrogen bonds codon Muhammad Asif Pu 2-tRNA G aa2 A U 1-tRNA U A C aa1
- 25. mRNA A U G C U A C U U C G 1-tRNA 2-tRNA U A C G aa1 aa2 A U A anticodon hydrogen bonds codon peptide bond Elongation Muhammad Asif Pu 3-tRNA G A A aa3
- 26. mRNA A U G C U A C U U C G 1-tRNA 2-tRNA U A C G aa1 aa2 A U A peptide bond Ribosomes move over one codon (leaves) Muhammad Asif Pu 3-tRNA G A A aa3
- 27. mRNA A U G C U A C U U C G 2-tRNA G aa1 aa2 A U A peptide bonds 3-tRNA G A A aa3 A C U Muhammad Asif Pu 4-tRNA G C U aa4
- 28. mRNA A U G C U A C U U C G 2-tRNA G aa1 aa2 A U A peptide bonds 3-tRNA G A A aa3 A C U (leaves) Ribosomes move over one codon Muhammad Asif Pu 4-tRNA G C U aa4
- 29. mRNA G C U A C U U C G aa1 aa2 A peptide bonds 3-tRNA G A A aa3 4-tRNA G C U aa4 A C U Muhammad Asif Pu U G A 5-tRNA aa5
- 30. mRNA G C U A C U U C G aa1 aa2 A peptide bonds 3-tRNA G A A aa3 4-tRNA G C U aa4 A C U Ribosomes move over one codon Muhammad Asif Pu U G A 5-tRNA aa5
- 31. mRNA A C A U G U aa1 aa2 U primary structure of a protein aa3 200-tRNA aa4 U A G aa5 C U aa200 aa199 terminator or stop codon Termination Muhammad Asif Pu