Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 7, Problem 12SQ
A frameshift mutation occurs following the:
- (a) Insertion of one base
- (b) Insertion of more than one base
- (c) Deletion of one base
- (d) Deletion of more than one base
- (e) All of these
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Chapter 7 Solutions
Microbiology: Principles and Explorations
Ch. 7 - Compare and contrast chromosomes in prokaryotes...Ch. 7 - DNA is not always the gemetic material. What are...Ch. 7 - How could mutations give rise to new alleles of a...Ch. 7 - How does trandlation differ from transcription?Ch. 7 - Distinguish between leading and lagging strands.Ch. 7 - What do 5 and 3 refer to? How do they determine...Ch. 7 - Contrast the three kinds of RNA. Does DNA make all...Ch. 7 - What feeds back in feedback inhibition? What does...Ch. 7 - What is the inducer for the lac operon?Ch. 7 - Compare enzyme induction and enzyme repression.
Ch. 7 - If you had be exposed to a mutagen,would you...Ch. 7 - How can a change in geneotype fail to produce a...Ch. 7 - Why are nitrates and nitrites, which have been...Ch. 7 - Cathy develops a painful cluster of blister-like...Ch. 7 - Prokaryotes usually have just one chromosome and...Ch. 7 - During the early stages of development of the...Ch. 7 - Suppose you are a medical technician working in a...Ch. 7 - Match the following terms with their descriptions:Ch. 7 - Prob. 2SQCh. 7 - Prob. 3SQCh. 7 - Match the following terms with their respective...Ch. 7 - From the DNA template sequence 3-ATGCAGTAG-5, what...Ch. 7 - What type of RNA carries and transfers amino acids...Ch. 7 - What type of RNA carries the genetic information...Ch. 7 - Which of the following statements does not...Ch. 7 - Prob. 9SQCh. 7 - For the lac operon, match the following:Ch. 7 - Prob. 11SQCh. 7 - A frameshift mutation occurs following the: (a)...Ch. 7 - Prob. 13SQCh. 7 - Which of the following schemes for molecular...Ch. 7 - Suppose a point mutation occurred in the third...Ch. 7 - Prob. 16SQCh. 7 - (a) Why are bacteria useful in the study of...Ch. 7 - DNA damage in the form of dimers induced by UV...Ch. 7 - Prob. 19SQCh. 7 - Name and describe the effects of the following...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following would be considered a severe mutation? A) Leucine (Leu) > Lysine (Lys) B) Arginine (Arg) > Lysine (Lys) C) Histidine (His) > Arginine (Arg) D) Aspartic Acid (Asp) > Glutamic acid (Glu) E) Valine (Val) > Isoleucine (Ile)arrow_forwardSilent mutations that occur in DNA are quite common in living cells and usually involve no effects onphenotype. In not more than 2 pages (using 1.5 line space of Arial or Times New Roman fonts) provideanswers for the following questions?1) Define the silent mutation in DNA? (2.5 marks)2) What is the codon usage bias? (2.5 marks)3) Provide one example of a clinical implication of a “silent mutation” that proven to have an effect onthe phenotype and provide a brief description of its molecular characteristics? (10.0 marks)arrow_forwardSilent mutations that occur in DNA are quite common in living cells and usually involve no effects on phenotype. In not more than 2 pages (using 1.5 line space of Arial or Times New Roman fonts) provide answers for the following questions? 1) Define the silent mutation in DNA? 2) What is the codon usage bias? 3) Provide one example of a clinical implication of a “silent mutation” that proven to have an effect on the phenotype andprovide a brief description of its molecular characteristics? (Explain in details)arrow_forward
- Silent mutations that occur in DNA are quite common in living cells and usually involve no effects on phenotype. In not more than 2 pages (using 1.5 line space of Arial or Times New Roman fonts) provide answers for the following questions? 1) Define the silent mutation in DNA? 2) What is the codon usage bias? 3) Provide one example of a clinical implication of a “silent mutation” that proven to have an effect on the phenotype andprovide a brief description of its molecular characteristics?arrow_forwardWhat are the three possible outcomes of point mutations?arrow_forwardYou are working with a newly discovered mutagen, and you wish to determine the base change that it introduces into DNA. Thus far, you have determined that the mutagen chemically alters a single base in such a way that its base-pairing properties are altered permanently. To determine the specificity of the alteration, you examine the amino acid changes that take place after mutagenesis. A sample of what you find is shown here:Original: Gln–His–Ile–Glu–LysMutant: Gln–His–Met–Glu–LysOriginal: Ala–Val–Asn–ArgMutant: Ala–Val–Ser–ArgOriginal: Arg–Ser–LeuMutant: Arg–Ser–Leu–Trp–Lys–Thr–Phearrow_forward
- Which of the following mutations would be most likely to havea harmful effect on an organism?(A) a deletion of three nucleotides near the middle of a gene(B) a single nucleotide deletion in the middle of an intron(C) a single nucleotide deletion near the end of the codingsequence(D) a single nucleotide insertion downstream of, and close to,the start of the coding sequencearrow_forwarda) What dipeptide is produced from the following segment of DNA: AGAGAT? (b) What happens to the dipeptide when a point mutation occurs and the DNA segment contains the sequence ATAGAT instead?arrow_forwardKarenca was studying her genetics notes the night before the test. She was getting a little turned around with the differences between DNA and RNA. She started working a problem that gave a segment of original DNA as follows: ТА Then, the problem said that original DNA was mutated to become: TAG Use the codon table to help Karenca determine whether or not this mutation will cause a change in the phenotype (what the organism looks like) of the organism. * Even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur. Yes, the phenotype of the organism would change because a new amino acid will be coded for. Yes, the phenotype of the organism would change because any change in the DNA sequence will cause a change in phenotype. It is impossible to determine if a change in phenotype will occur using only the DNA sequence.arrow_forward
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