Pearson eText for Biochemistry: Concepts and Connections -- Instant Access (Pearson+)
2nd Edition
ISBN: 9780137533114
Author: Dean Appling, Spencer Anthony-Cahill
Publisher: PEARSON+
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Chapter 5, Problem 22P
Based on the information in Figure 5.17, which single-
Figure 5.17 The genetic code.
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Chapter 5 Solutions
Pearson eText for Biochemistry: Concepts and Connections -- Instant Access (Pearson+)
Ch. 5 - Prob. 1PCh. 5 - Draw the structure of the peptide DTLH, showing...Ch. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Given the following peptide SEPIMAPVEYPK a....Ch. 5 - A mutant form of polypeptide hormone angiotensin...Ch. 5 - Prob. 10P
Ch. 5 - Prob. 11PCh. 5 - a. Write a possible sequence for an mRNA segment...Ch. 5 - 13. Assume the following portion of an mRNA Find a...Ch. 5 - Prob. 14PCh. 5 - Prob. 15PCh. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - You are a summer intern in a clinical hematology...Ch. 5 - Prob. 20PCh. 5 - Despite the fact that many peptides have critical...Ch. 5 - Based on the information in Figure 5.17, which...Ch. 5 - If you want to purify a DNA-binding protein from a...
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- DNA in human mitochondria encodes 22 different tRNA molecules. However, 32 different tRNA molecules are required for translation of proteins within mitochondria. Explain.arrow_forward5'....TACTGCCCATGCCCAGAGAGAAAGCGCAGACGCGTCTAA actgt... 3' a). (10 points). In the above sequences, the open reading frame is indicated by alternating non-underlined and underlined triplets. Please use the codon table to deduce the amino acid sequence for the region shown in the wildtype protein. Wildtype AA sequence for the region around mutation #1: Wildtype AA sequence for the region around mutation #2: b). (10 points). Please make predictions what molecular change mutation #1 and mutation #2 cause. c). (5 points). Which mutation is more likely to abrogate the protein function? Why?arrow_forwardThe following four mutations have been discovered in a gene that has more than 60 exons and encodes a very large protein of 2532 amino acids. Indicate which mutation would likely cause a detectable change in the size of the mRNA and/or the size of the protein product. Consider a detectable change to be >10% of the wild-type size. A table of the genetic code is shown below. First letter 0 00 U O A บบบ UUC UUA UUG U CUU CUC CUA CUG Phe GUU GUC GUA GUG Leu >Leu AUU AUC lle AUA AUG Met >Val UCU UCC UCA UCG CCU CCC CCA CCG ACU ACC ACA ACG GCU GCC GCA GCG Second letter C Ser Pro Thr Ala CAU CAC CAA CAG UAU UGU Tyr UAC UGC UAA Stop UGA UAG Stop UGG AAU AAC AAA AAG A GAU GAC GAA GAG His Gin Asn Lys Asp G Glu CGU CGC CGA CGGJ AGU AGC AGA AGG GGU GGC GGA GGG O AAG576UAG (changes codon 576 from AAG to UAG) Cys Stop Trp O GUG326AUG (changes codon 326 from GUG to AUG) Arg Ser Arg Gly DUAG DUA G DCAG DO AG deletion of codon 779 insertion of 1000 base pairs into the sixth intron (this particular…arrow_forward
- In the table below, there are four versions of gene A, one of which is normal, and the other three which contain mutations that make the gene product nonfunctional. Focus on the shaded region of the sequence. Use the genetic code table to answer the question. How would you describe Mutation #2? Partial DNA sequence for gene A ("..." indicates many nucleotides of sequence not shown) 5' ... ATG GTG AGC AAG GAG GAG CTG TTC ACC TGT AAA TAG ... Normal Mutation #1 5' ... ATG GTG AGC AAG GAG AAG CTG TTC ACC TGT AAA TAG ... Mutation #2 5' ... ATG GTG AGC AAG TAG GAG CTG TTC ACC TGT AAA TAG ... Mutation #3 5' ... ATG GTG AGC AAG GAG CTG TTC ACC TGT AAA TAG ... Silent mutation Nonsense mutation Frameshift mutations Missense mútationarrow_forwardThe genetic code is thought to have evolved to maximize genetic stability by minimizing the effect on protein function of most substitution mutations (single-base changes). We will use the six arginine codons to test this idea. Consider all of the substitutions that could affect all of the six arginine codons.(a) How many total mutations are possible?(b) How many of these mutations are “silent,” in the sense that the mutantcodon is changed to another Arg codon?(c) How many of these mutations are conservative, in the sense that an Argcodon is changed to a functionally similar Lys codon?arrow_forwardThe enzyme dihydrofolate oxidase has 3 adjacent asparagines residues (codon for asparagines is ACC): explain how site directed mutagenesis could be used to increase the thermal stability of the proteinarrow_forward
- A wildtype gene produces the polypeptide sequence: Wildtype: Met-Ser-Pro-Arg-Leu-Glu-Gly Each of the following polypeptide sequences is the result of a single mutation. Identify the most likely type of mutation causing each, be as specific as possible. M1:Met-Ser-Ser-Arg-Leu-Glu-Gly missense mutation M2:Met-Ser-Pro M3:Met-Ser-Pro-Asp-Trp-Arg-Asp-Lys M4:Met-Ser-Pro-Glu-Gly nonsense mutation frameshift insertion in frame deletion M5:Met-Ser-Pro-Arg-Leu-Glu-Gly in frame insertionarrow_forwardWhat is the length in AA’s of the LilP protein? Assume fMet is NOT CLEAVED. Enter just the number, nothing else! Write out the sequence of the polypeptide in AA: use the three letter notation, e.g. Met-Ser-Pro- A lilP mutant called lilPXS is isolated that produces a truncated polypeptide of only 6 AA in length. Describe a single basepair DNA change that would lead to this truncated version of the protein. Multiple options are possible (100 words max.)arrow_forwardFor the anticodon sequences 5' IAA and 5' xm^3s^2UAA, considering the DNA sequences of the genes encoding the tRNAs(assuming both tRNAs exist even if that is not true), What is the sequence of the RNA-like strand of each tRNA gene that corresponds to the tRNA's anticodon? be sure to indicate polarities.arrow_forward
- Using the genetic code table provided below, write out the sequence of three different possible mRNA sequences that could encode the following sequence of amino acids: Met-Phe-Cys-Trp-Glu C A G U C UUU Phe UCU Ser UUC Phe UCC Ser UCA Ser UUA Leu UUG Leu UCG Ser CUU Leu CCU Pro CUC Leu CUA Leu CUG Leu CCG A CAU His CGU Arg CCC Pro CAC His CGC Arg UAU Tyr UGU Cys U UAC Tyr UGC Cys C Stop UGA Stop Stop UGG Trp UAA A UAG G CCA Pro CAA Gln Pro CAG AUU lle AUC lle AUA lle AUG Met ACG G 등등 Gln CGA Arg CGG Arg ACU Thr AAU Asn AGU Ser ACC AAC Asn AGC Ser Thr ACA Thr Thr AAA Lys AGA Arg AAG Lys AGG Arg GUU Val GCU Ala GAU Asp GGU Gly GGC Gly GUC Val GCC Ala GAC Asp GUA Val GCA Ala GAA Glu GGA Gly GUG Val GCG Ala GAG Glu GGG Gly U C A G U C A G SUAUarrow_forwardIn studies of the amino acid sequence of wild-type and mutant forms of tryptophan synthetase in E. coli, the following changes have been observed: Determine a set of triplet codes in which only a single-nucleotide change produces each amino acid change.arrow_forwardFor the following sequence, what is the Tm? 5'-AGCTACGATCAGGTCA-3'arrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY