Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Textbook Question
Chapter 10.3, Problem 2MQ
- In the ɸX174 genome, describe the difference between how the gene B and gene A* proteins are made.
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Students have asked these similar questions
You have the following DNA coding sequence of a wild-type allele:
5’-ATG TTC CAG CTA GAT GAT ATG CTG GTA ATT GGG GAA CGC GCG CGG TAA-3’
For each of the following mutations:
A. State whether the mutation is missense, nonsense, frameshift, or silent.
B. Write the codon change that occurs for the missense, nonsense, and silent mutations (ex. GAA -- GAT).
C. For frameshift mutations, write out the entire mutant sequence with each codon clearly indicated (if the frameshift creates a new stop codon, end the sequence at the new stop).
Using the wild type DNA sequence above as a guide :
Write the amino acid sequence of the mutants.
Mutant 1: transition at nucleotide 23
Mutant 2: T --> G transversion at nucleotide 29
Mutant 3: an insertion of “A” after nucleotide 14
Mutant 4: transition at nucleotide 7
Mutant 5: An insertion of GG after nucleotide 40
Mutant 6: transition at nucleotide 15
Mutant 7: a deletion of nucleotide 25
1) Using the diagram below, sketch in the pattern of bands you would expect to see after
digesting the DNA of the TT, Tt and tt genotypes of the TAS2R38 gene. Use the Base Pair
Standards on the left of the diagram as a reference in drawing the positions of the bands.
Base Pair
TASTER GENO TYPE
Standards
(Base Pairs)
TT
Tt
tt
500
400
300
200
100
50
What is the length in AA’s of the LilP protein? Assume fMet is NOT CLEAVED.
provide calculation
Chapter 10 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 10.1 - Distinguish between a positive-strand RNA virus...Ch. 10.1 - Prob. 2MQCh. 10.1 - Prob. 3MQCh. 10.1 - Describe the classes of viruses based on their...Ch. 10.2 - Prob. 1MQCh. 10.2 - Prob. 2MQCh. 10.2 - Prob. 3MQCh. 10.2 - Prob. 1CRCh. 10.3 - Prob. 1MQCh. 10.3 - In the X174 genome, describe the difference...
Ch. 10.3 - Prob. 3MQCh. 10.3 - Describe how the genome of bacteriophage X174 is...Ch. 10.4 - In what major way does transcription of phage DNA...Ch. 10.4 - Prob. 2MQCh. 10.4 - Why can it be said that transcription of the...Ch. 10.5 - What type of genome is seen in most archaeal...Ch. 10.5 - Compared with other archaeal viruses, what are two...Ch. 10.5 - Prob. 1CRCh. 10.6 - Prob. 1MQCh. 10.6 - Prob. 2MQCh. 10.6 - Prob. 3MQCh. 10.6 - Prob. 1CRCh. 10.7 - Prob. 1MQCh. 10.7 - Prob. 2MQCh. 10.7 - Prob. 3MQCh. 10.7 - Prob. 1CRCh. 10.8 - Prob. 1MQCh. 10.8 - Prob. 2MQCh. 10.8 - How are protein synthesis and genomic replication...Ch. 10.8 - Prob. 1CRCh. 10.9 - Prob. 1MQCh. 10.9 - Prob. 2MQCh. 10.9 - Prob. 3MQCh. 10.9 - Rabies virus and poliovirus both have...Ch. 10.10 - Prob. 1MQCh. 10.10 - Prob. 2MQCh. 10.10 - Prob. 3MQCh. 10.10 - Prob. 1CRCh. 10.11 - Prob. 1MQCh. 10.11 - Prob. 2MQCh. 10.11 - How does the role of reverse transcriptase in the...Ch. 10.11 - Why do both hepadnaviruses and retroviruses...Ch. 10.12 - What type of bacteriophages are most common in the...Ch. 10.12 - Prob. 2MQCh. 10.12 - Prob. 3MQCh. 10.12 - Prob. 1CRCh. 10.13 - Prob. 1MQCh. 10.13 - Prob. 2MQCh. 10.13 - Prob. 3MQCh. 10.13 - Prob. 1CRCh. 10.14 - Prob. 1MQCh. 10.14 - Prob. 2MQCh. 10.14 - Prob. 3MQCh. 10.14 - How do bacterial viruses help prevent human...Ch. 10.15 - If viroids are circular molecules, why are they...Ch. 10.15 - Prob. 2MQCh. 10.15 - Prob. 1CRCh. 10.16 - Prob. 1MQCh. 10.16 - Prob. 2MQCh. 10.16 - Prob. 3MQCh. 10.16 - What are the similarities and differences between...Ch. 10 - Not all proteins are made from the RNA genome of...Ch. 10 - Replication of both strands of DNA in adenoviruses...Ch. 10 - Imagine that you are a researcher at a...Ch. 10 - Prob. 4AQ
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- Briefly state the function of each of the lettered sites on the outlined gene below. +1 TATA Coding ААТААА А А вс Earrow_forwardA molecular geneticist hopes to find a Gene in human liver cell that codes for an important blood-clotting protein,he knows that the nucleotide sequence of a small part of the Gene is GTGGACTGACA.briefly explain how to obtain genearrow_forwardThe mass of a gene is 32,400 units. The amount of introns is twice the amount of exons. What is the mass of protein that encodes this gene, if the mass of the amino acid is 110 and the nucleotide is 300 units.arrow_forward
- Below is a portion of an exon from a gene that encodes protein X in the genome of the plant Arabidopsis. Wildtype DNA3’ TTC AAT GCT CCG AAT ACC 5’ template strand5’ AAG TTA CGA GGC TTA TGG 3’ non-template strand A new strain (Strain B) of Arabidopsis is identified with the same region of the gene coding for protein X: 3’ TTC AAT GCT CCC AAT ACC 5’ template strand5’ AAG TTA CGA GGG TTA TGG 3’ non-template strand Compare the two DNA sequences and look for any differences. Based on what you find a. There is no mutation in Strain B compared to Strain A. b. After the point of the mutation, all the amino acids encoded by the Strain B template will be different than the Strain A protein X. c. Protein X made from the Strain B template will be much shorter than protein X made from the Strain A template d. Protein X from Strain B will have one amino acid difference that would not affect protein function. e. There is a mutation but there will not be any difference in the…arrow_forward1. a)What would happen if the aminoacyl tRNA synthetase responsible for charging alanine tRNAs also charged methionine tRNAs with alanine? b)What would happen if an individual was homozygous for mutant alleles of the gene encoding the aminoacyl tRNA synthetase responsible for charging leucine tRNAs?arrow_forwardBelow is a portion of an exon from a gene that encodes protein Y in the genome of the plant Brassica. Wildtype DNA3’ CTT AAT GCT CCG AAT CCA 5’ template strand5’ GAA TTA CGA GGC TTA GGT 3’ non-template strand A new strain (Strain X) of Brassica is identified with the same region of the gene coding for protein Y:3’ CTT AAT GCT GCG AAT CCA 5’ template strand5’ GAA TTA CGA CGC TTA GGT 3’ non-template strand Compare the sequence of Wildtype with Strain X DNA, and note the following: Whether there is a mutation. If there is a mutation, what is the type of mutation (be as specific as possible) and explain the rationale for your decision. Assuming this is the only difference between the Wildtype and Strain X, describe the potential impact of the mutation on the structure and function of the protein.arrow_forward
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