A tRNA anticodon has the base sequence CCG. Identify the DNA base sequence that was used to produce the codon that will bind it to this anticodon?
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A tRNA anticodon has the base sequence CCG. Identify the DNA base sequence that was used to produce the codon that will bind it to this anticodon?
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- Give the anti-codon of this Trna?The anticodon loop of one of the tRNA Gly molecules from Escherichia coli is as follows: a) Identify the anticodon, reading from 3’ to 5’. b) This tRNA recognizes a Gly codon. What is it? Write it from 5’ to 3’.A DNA codon has the sequence GAT. What is the resulting tRNA anti-codon in the translationprocess (using Watson-Crick base-pairing)?
- Using the codon table, identify a 5’-3’ sequence of nucleotides in the dna template strand for mRna coding for the polypeptide sequence NH2-PHe-Pro-lys-COOH.Several experiments were conducted to obtain information about how the eukaryotic ribosome recognizes the AUG start codon. In one experiment, the gene that encodes methionine initiator tRNA (tRNAiMet) was located and changed; specifically, the nucleotides that specify the anticodon on tRNAiMet were mutated so that the anticodon in the tRNA was 5′ –CCA–3′ instead of 5′ CAU–3′. When this mutated gene was placed in a eukaryotic cell, protein synthesis took place, but the proteins produced were abnormal. Some of these proteins contained extra aminoacids, and others contained fewer amino acids than normal. a. What do these results indicate about how the ribosome recognizes the starting point for translation in eukaryotic cells? Explain your reasoning. b. If the same experiment had been conducted on bacterial cells, what results would you expect? c. Explain why some of the proteins produced contained extra amino acids while others contained fewer amino acids than normal.Several experiments were conducted to obtain information about how the eukaryotic ribosome recognizes the AUG start codon. In one experiment, the gene that encodes methionine initiator tRNA (tRNAiMet) was located and changed; specifically, the nucleotides that specify the anticodon on tRNAiMet were mutated so that the anticodon in the tRNA was 5′ –CCA–3′ instead of 5′ –CAU–3′. When this mutated gene was placed in a eukaryotic cell, protein synthesis took place, but the proteins produced were abnormal. Some of these proteins contained extra amino acids, and others contained fewer amino acids than normal. Q. If the same experiment had been conducted on bacterial cells, what results would you expect?
- Use the genetic code table. Which amino acid is coded for by only one codon sequence? Second Position U A G UUU Phe /F UCU UAU UGU UUC Tyr/Y Cys/C UCC UAC UGC Ser /s UUA Leu /L UCA UAA STOP UGA STOP UUG UCG UAG STOP UGG CUU CCU CAU CGU CỤC His / H Leu /L CC САС Pro / P CGC CUA ССА Arg/R CAA CGA CUG Gln /Q CCG CAG CGG AUU ACU AAU AGU AUC le /i ACC Asn / N Ser /S Thr/T AAC AGC AUA ACA AAA AGA AUG Met / M ACG Lys/K Arg/R AAG AGG GUU GCU GAU GGU GUC Asp/ D G Val /v GCC Ala / A GAC GGC GUA GCA Gly/G GAA GGA GUG GCG Glu /E GAG GGG valine serine threonine isoleucine methionine MacBook PrO G Search or type URL +, #3 Third Position SCAG UCAGU CAGU CA First PositionSeveral experiments were conducted to obtain information about how the eukaryotic ribosome recognizes the AUG start codon. In one experiment, the gene that encodes methionine initiator tRNA (tRNAiMet) was located and changed; specifically, the nucleotides that specify the anticodon on tRNAi Met were mutated so that the anticodon in the tRNA was 5′ –CCA–3′ instead of 5′ –CAU–3′. When this mutated gene was placed in a eukaryotic cell, protein synthesis took place, but the proteins produced were abnormal. Some of these proteins contained extra amino acids, and others contained fewer amino acids than normal. a. What do these results indicate about how the ribosome recognizes the starting point for translation in eukaryotic cells? Explain your reasoning. b. If the same experiment had been conducted on bacterial cells, what results would you expect? c. Explain why some of the proteins produced contained extra amino acids while others contained fewer amino acids than normalSeveral experiments were conducted to obtain information about how the eukaryotic ribosome recognizes the AUG start codon. In one experiment, the gene that encodes methionine initiator tRNA (tRNAiMet) was located and changed; specifically, the nucleotides that specify the anticodon on tRNAiMet were mutated so that the anticodon in the tRNA was 5′ –CCA–3′ instead of 5′ –CAU–3′. When this mutated gene was placed in a eukaryotic cell, protein synthesis took place, but the proteins produced were abnormal. Some of these proteins contained extra amino acids, and others contained fewer amino acids than normal. Q. What do these results indicate about how the ribosome recognizes the starting point for translation in eukaryotic cells? Explain your reasoning.
- If the mRNA produced had the sequence ACGCGU,what would be the tRNA anticodo sequence?If the mRNA produced had the sequence ACGCGU, What would be the tRNA anticodon sequence?An anticodon has the sequence GCG. What amino acid does this tRNA carry? What would be the effect of a mutation that changed the C of the anticodon to G?