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- 100All tRNA molecules have poly (A) tails at their 3' end. YesornoFor the tRNA below, determine which amino acid it is charged with. attached amino acid G G GA 5' end c GOGGAUUU CUC G GAGC G C GCSAK & A 3' end ASSAGGCUUAA GACAC CCUGUG עכטט A GAAD anticodon C T U anticodon loop A GOnce the chains of peptides that make up lysyl-tRNA synthetase protein are synthesized in ribosomes, lysyl-tRNA synthetase needs to have the proper active site in order to perform its function, explain the process of protein folding necessary to have a proper 3-D structure, include effect of thermodynamics and different states in folding, including what happen when there are prolines that form peptide bonds with other amino acids, and any disulfide bridges
- 37Transposons in eukaryotes are mechanistically different from bacterial transposons. Yesorno 38The tRNA has a ( ) secondary structure. 39A single ( ) can be processed to produce two molecules or more different mRNAs.AAAGAGAAAAGAAUA to AAAGAGAAAUGAAUA. Suppose the codon sequence has a single base pair mutation If the old protein sequence was Lys-Glu-Lys-Arg-Ile, what will be the new sequence encoded by the mutant gene? (Use the 3-letter amino acid abbreviations with hyphens and no spaces in between, i.e. Ser-Asn-Tyr-Leu-Pro.) Submit Answer Retry Entire Group No more group attempts remainOn average, how many phosphoanhydride bonds (P;-P; bonds) are directly hydrolyzed in thecourse of synthesizing a 200 amino acid protein? Assume that you begin with the mature mRNA,ribosomal subunits, tRNAs, free amino acids, and all necessary factors.
- 41. The following 9 TRNAS have anticodon loop regions that base pair with the mRNA in the ribosome. Using your knowledge of tRNA-MRNA base pairing and the genetic code chart (+lecture slides), indicate the MRNA codon message being read by the ribosome as well as the1-letter amino acids that is generated. Anticodon Anticodon Anticodon Anticodon 4 Anticodon Anticodon 6. 2 5'-IAG-3' 5'-UAU-3' 5'-АAА-3' 5'-CUC-3' 5'-GAU-3' 5'-AGA-3' codon MRNA 5'-__-3' 5' 3' 5' 3' 5' 3' 5' 3' 5' 3' 1 letter amino acid Anticodon Anticodon Anticodon 8 7 5'-CCG-3' 5'-GUU-3' 5'-CGC-3' codon 5'-__-3' 5' 3' 5' _3' mRNA 1 letter amino acidUsing threonyl-tRNA synthetase as an example, account for the specificity of threonyl-tRNA formation.Aminoacyl-tRNA synthetase joins amino acids to their cognate trna. Briefly discuss the two reactions of aminoacylation.
- Suggest a reason why there are two classes of aminoacyl-tRNA synthetases, with each class recognizing a different face of the tRNA.The predominant forms of actin inside a cell are ATP–G-actin and ADP–F-actin. Explain how the interconversion of the nucleotide state is coupled to the assembly and disassembly of actin subunits.. The following diagram shows the biosynthesis of B12 coenzymes, starting with the vitamin. DMB is dimethylbenzimidazole. (a) What one additional substrate or cofactor is required by enzyme B? (b) Genetic deficiency in animals of enzyme C would result in exces- sive urinary excretion of what compound?