The second MRNA molecute is the acias they code Ior. same as the original mRNA except it has an underlined mutation. Original mRNA AUG UCG AAU UGU CGU UAA Amino acids Met Ser Asn Cys Arg Stop MRNA mutant AUG UCC AAU UGU CGU UAA Amino acids Met Ser Asn Cys Arg Stop What type of mutation is represented in the mutant? nonsense O silent sense missense

The second MRNA molecute is the acias they code Ior. same as the original mRNA except it has an underlined mutation. Original mRNA AUG UCG AAU UGU CGU UAA Amino acids Met Ser Asn Cys Arg Stop MRNA mutant AUG UCC AAU UGU CGU UAA Amino acids Met Ser Asn Cys Arg Stop What type of mutation is represented in the mutant? nonsense O silent sense missense

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 16QP: Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also,...

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Given the following mRNA, write the double-stranded DNA segment that served as the template. Indicate both the 5 and the 3 ends of both DNA strands. Also write out the tRNA anticodons and the amino acid sequence of the protein encoded by the mRNA message. DNA: mRNA: 5-CCGCAUGUUCAGUGGGCGUAAACACUGA-3 protein: tRNA:
Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?
The following is a portion of a protein: met-trp-tyr-arg-gly-pro-thr-Various mutant forms of this protein have been recovered. Using the normal and mutant sequences, determine the DNA and mRNA sequences that code for this portion of the protein, and explain each of the mutations. a. met-trp- b. met-cys-ile-val-val-leu-gln- c. met-trp-tyr-arg-ser-pro-thr- d. met-trp-tyr-arg-gly-ala-val-ile-ser-pro-thr-
Consider the following mRNA base sequence 5' CUU CAG 3 a What dipeptide is coded for this mRNA? b. What dipeptide is formed if a point mutation converts CUU to CUC? c. What dipeptide is formed it a point mutation converts CAG to AAG?
The following mutants are observed in a gene coded for a ribosomal protein. The mutations are highlighted: Original mRNA: 5’- AUG GGC UCG ACC UUG -3’ Mutant mRNA 1: 5’- AUG GGC UAG ACC UUG -3’ Mutant mRNA 2: 5’- AUG GGC UCG ACU UUG -3’ Mutant mRNA 3: 5’- AUG GGC UCG AGC UUG -3’ Mutant mRNA 4: 5’- AUG GGC UCG AUC UUG -3’ A. Write out the protein sequence for the original protein. 1. Three letter sequence (write with one space in between, i.e. Val Leu Gly) 2. One letter sequence (write out with one space between, i.e. V L G) B. Characterize the mutants (#1-4) as silent, nonsense, or missense mutations.
Consider the following mRNA base sequence 5' CUG-CAC 3' (a) What dipeptide is coded for by this mRNA? (b) What dipeptide is formed if a mutation converts CUG to CUU? (c) What dipeptide is formed if a mutation converts CAC to CGC? (d) What dipeptide is formed if a mutation converts CUG to CUU and CAC to CGC?
What potential polypeptides can be produced from the following mRNA sequence? There are more than one answer.. 5’ ...GGAGCUCGUUGUAUU... 3’ a. ser-ser-leu-tyr b. leu-cys-cys-ser-arg c. gly-ala-ser-trp-ile d. gly-ala-arg-cys-ile e. glu-leu-val-val f. You can't translate without a start codon. I know (d) is one of the answer but I'm stuck on how to find the rest. Please help.
Consider the following portion of mRNA produced by the normal order of DNA nucleotides: 5’ – CUU AAA CCA GUU – 3’ a. What is the template DNA sequence that was used to synthesize this portion of mRNA? b. What is the amino acid order produced from this mRNA? c. Write the amino acid sequence if a mutation changes CUU to CAU. Is this likely to affect protein function?
A single nucleotide addition and a single nucleotide deletion approximately 15 bases apart in the DNA cause a protein change in sequence fromPhe–Ser–Pro–Arg–Leu–Asn–Ala–Val–LystoPhe–Val–His–Ala–Leu–Met–Ala–Val–Lysa. What are the old and new mRNA nucleotide sequences? (Use the codon dictionary in Figure 9-5.)b. Which nucleotide has been added? Which has been deleted?
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 GGA
The following is as segment of mRNA: 5'-UCGGAAUGUGGUGGCAUACAGGCUUACAGAACUAAGUCUGAGAAU-3' A. How many amino acids long will be the protein translated from the only reading frame available in this segment? B. If a mutation changes the third letter of the stop codon in the only reading frame available in this segment, how many amino acids long will be the protein translated?
Consider the mRNA base sequence 5' ACC CAC 3'. what dipeptide is coded for by this mRNA? * A. Asparagine- Histidine B. Lysine -Serine C. Aspartic Acid - Histidine D. Lysine-Glysine Look at the following sequence, " THE FAT CAT ATE THE CAT" Remove the first "H" and regroup the letters in group of three. What type of mutation? * A. Deletion-Frameshift B. Insertion- frameshift C. Substitution-Deletion D. Substitution-Insertion Which of the following types of RNA is involved in the transcription phase of protein synthesis? * A. rRNA B. tRNA C. hnRNA D. no correct response A tRNA molecule has the anticodon 5' AAG 3', with which mRNA codon will this anticodon interact? * A. 5' AAG 3 B. 5' CUU 3' C. 3' GAA 5'…