If the anticodon of an alanyl-tRNA is IGC (inosine-guanine-cytosine), to which of the following codons would it bind? A. GCU only B. GCC only C. GCU or GCC only D. GCU or GCA only E. GCU, GCC, or GCA
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- A small section of bacterial enzyme has the amino acid sequence threonine, valine, glycine, and methionine. The tRNA anticodons for the amino acid sequence shown above is Select one: a. UGU CAU CCC UAG b. UGA CAG CCA ACU c. UGC CAA CCU UAC d. ACC GUG GGC AUGA small section of bacterial enzyme has the amino acid sequence arginine, threonine, alanine, and isoleucine.The tRNA anticodons for the amino acid sequence shown above is a. GCA UGC CGA UAC b. GCC UGA CGU UAG c. CGA AGA GCC AUA d. GCG UGG CCC UAAThe anticodon of a tRNA is 5’ AAU 3' a. What codon does the tRNA recognize? b. What amino acid does it carry? c. Suppose a mutation occurs in the gene encoding for the tRNA that converts the anticodon to 5' ACU 3'. Would this have a negative effect, positive effect or neutral effect on a cell? Explain and include "phenotype" in your answer.
- A small section of a gene for a protein has the following nucleotide sequence: GCT CTA GCT ATC TGA Which of the following mutations would cuase a silent mutation in the sequence shown above? a. Replacement of second adenine base with thymine base b. Replacement of first thymine base with adenine base c. Replacement of second guanine base with cytosine base d. Replacement of first cytosine base with guanine baseA small section of a gene for a protein has the following nucleotide sequence:CTG GGA TCC TAA GGTWhich of the following mutations would cause a nonsense mutation in the sequence shown above? Select one: a. Replacement of second adenine base with a cytosine base b. Insertion of guanine base after the first thymine base c. Insertion of guanine base after the first adenine base d. Replacement of second cytosine base with a adenine baseIn an amino acyl-tRNA, the amino acid is attached to the tRNA through a(n). acid and the CCA sequence at the bond between the group of an amino of a tRNA. А. Amide; Amino terminus; 5'-phosphate В. Ester; R-group; 3'-hydroxyl C: Ester; Carboxyl terminus; 5'-phosphate D. Ester; Carboxyl terminus; 3'-hydroxyl O E. Ether; Amino terminus; 3'-hydroxyl о
- Consider this sequence below: GAG TAC ACG AGT GGA Which of the following options is an example of a non-synonymous point mutation? (remember to translate to mRNA!) A. GAG TAC AAT CGA GTG GA B. GAG TAC ACG GGT GGA C. GAG TAC A–G AGT GGA D. GAG TAC ACG AGA GGAThe following picture drawing represents co-translation in E. coli. Answer the questions below the drawing. A. Is the letter A nearer the 5' or the 3' end of the molecule? B. The anticodon in B codes for reads 3’ CCU 5’. What amino acid does this tRNA carry? C. Is the letter C nearer the 5' or the 3' end of the tRNA molecule?Use a codon chart determine the amino acid sequence. Remember to read through the strand and ONLY start after the promoter and STOP when it tells you to stop. Follow example below: Example: DNA AGA TATA TAC CTC CGG TGG GTG CTT GTC TGT ATC CTT CTC AGT ATC MRNA O protein AUG GAG GCC ACC CAC GAA CAG ACA UAG GAA GAG UCA UAG start-glu-ala-thre-hist - asp-glu-threo-stop met DNA CCT ATA TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC mRNA DGGA UAU) AUG uGul Gcc nccl cAul GCol protein ly Tur MeT cys AlA ser HIJ Ala 2 3 4 DNA AGA ACT ATA TAC CTC TTA ACA CTC TAA AGA CCA GCA CTC CGA TGA ACT GGA GCA mRNA protein DNA TAT ATAC CTT GGG GAA TAT ACA CGC TGG CTT CGA TGA ATC CGT ACG GTA CTC GCC ATC mRNA protein D DNA TAA ACT ATA TAC CTA GCT TAG ATC TAA TTA CCC ATC mRNA protein Auu UGA UAU AGU GAUCGA AUC MAG Auu AAU leu Stop. TRY-Met-Asp- ARG-Isle-Stop-Ile. Asn DNA CTA TTT ATA TAC TAG AGC GAA TAG AAA CTT ATC ATC mRNA protein D DNA CAT ATA TAC CTT AGT TAT CCA TTG ACT CGA ATT GTG CGC TTG…
- Given is the 30 nucleotides in the human gene for hemoglobin (the oxygen-carrying protein in the red blood cells): 5’ TAC-CAC-GTG-GAC-TGA-GGA-CTC-CTC-TTC-AGA 3’ a. What is the complementary strand? b.Deduce the mRNA in this coding region. c.What is the amino acid sequence based on this mRNA? d. A very important mutation in human hemoglobin occurs in this DNA sequence, where the T at nucleotide 20 is replace with an A. The mutant hemoglobin is called sickle cell hemoglobin and is associated with severe anemia. What is the amino acid replacement that results in sickle-cell hemoglobin?What is the basic recognition motif to which a N-linked glycan is added? A.S/T-X-X B.KDELC.Glycine-Leucine-Tyrosine-Cysteine-Alanine-Asparagine (G-L-Y-C-A-N) D.N-X-S/TGiven is the 30 nucleotides in the human gene for hemoglobin (the oxygen-carrying protein in the red blood cells): 5’ TAC-CAC-GTG-GAC-TGA-GGA-CTC-CTC-TTC-AGA 3’a. What is the complementary strand?b. Deduce the mRNA in this coding region.c. What is the amino acid sequence based on this mRNA?d. A very important mutation in human hemoglobin occurs in this DNA sequence, where the T at nucleotide 20 is replace with an A. The mutant hemoglobin is called sickle cell hemoglobin and is associated with severe anemia. What is the amino acid replacement that results in sickle-cell hemoglobin?