EBK MICROBIOLOGY:W/DISEASES BY BODY...-
5th Edition
ISBN: 9780134608242
Author: BAUMAN
Publisher: PEARSON
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Chapter 7, Problem 3TMW
Summary Introduction
To tell:
Why changes in the RNA sequences are not as deleterious as the changes in DNA results in a mutation.
Introduction:
An alteration in the
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Mutations are permanent changes in the nucleotide sequence in DNA. A point mutation is the loss or gain of a single nucleotide. If a nucleotide was lost from the DNA sequence, how would this affect subsequent transcription and translation of that gene?
Researchers are designing and testing antisense drugs as therapies for a variety of diseases, including cancer, AIDS, diabetes, and muscular dystrophy. The drugs are also being tested to fight infection by deadly viruses such as Ebola. Antisense drugs consist of short RNA strands complementary in sequence to mRNAs that form during the progression of a disease. How do you think these drugs work?
Transcription and translation are separate processes in gene expression; however, they have similarities. The following terms all relate to translation. Which of these has a role that is most similar to that of the transcription start site during transcription?
A)Start codon
B)Stop codon
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D)Amino acid
Chapter 7 Solutions
EBK MICROBIOLOGY:W/DISEASES BY BODY...-
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in 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 statement is false: A) Each type of protein ( ex: hemoglobin vs trypsionngen) varies in the length and amino acid sequence of its peptide B) After the rpocess of transcription is complete, the mRNA that is produced will continue being tranlsated by ribosomes for the rest of the cells life. mRNA never breaks down C) A ribosome will bind to an mRNA and will translate the sequence by reading one codon at a time and adding one amino acid to the peptide chain. It will stop the translation once it encounters a stop codon D) The gene for a protein provides the information on the legth of the peptide, along w the amino acid sequence so the protein can be synthesized by a ribosome E) Once mRNA has left the nucleus, ribosomes will bind to it and will follow the instructions in its sequence to make the new protienarrow_forwardSeveral different nucleic acids are involved in the process of getting a protein produced from a gene. DNA contains the "genetic code" for the protein. DNA is double-stranded, but only one strand is transcribed into MRNA. The MRNA then goes into the cytoplasm where it is translated into protein with the help of TRNA. At each stage of the process, there is base complementarity (A pairs with T/U and C pairs with G) between the nucleic acids involved to ensure the integrity of the DNA blueprint for the protein being produced. Therefore, some of the four strands of nucleic acids involved will match (except U replaces T in RNA) and some will have base complementarity. Indicate whether there is matching (1) or base complementarity (2) between the following nucleic acids. DNA sense strand and MRNA DNA sense strand and tRNA DNA antisense strand and MRNA MRNA and TRNAarrow_forwardExplain how the ability of a large, multisubunitprotein molecule to bind a specific DNA sequence can be alteredwhen it binds with a small molecule no larger than a single aminoacid.arrow_forward
- An addition or deletion mutation that results in all of the amino acids after the mutation being wrong is calledarrow_forwardIdentify whether each of the following descriptions applies to typical prokaryotic genomes only, typical eukaryotic genomes only, both, or neither, according to lecture. Answer options may be used more than once or not at all. Composed of double-stranded DNA only. Each chromosome has a centromere. Species with larger genomes have more genes. [Choose ] [Choose ] prokaryotes only neither eukaryotes or prokaryotes eukaryotes only both prokaryotes and eukaryotes [Choose ]arrow_forwardBelow is the 5’–3’ strand of a double-stranded DNA molecule with the following nucleotide sequences:5’ C C T A T G C A G T G G C C A T A T T C C A A A G C A T A G C 3’ 1. If the above DNA strand is the template (antisense) strand and the DNA molecule is transcribed, what is the correct nucleotide sequence and direction of the RNA formed after transcription?arrow_forward
- A) Describe each step of the DNA REPLICATION in EUKARYOTIC organismsB) Describe each step of the TRANSCRIPTION in EUKARYOTIC organisms.C) Describe each step of the TRANSLATION. Please answer all if you can! thank youarrow_forwardCompare transcription to translation. Which of the process is mostly related to errors?arrow_forwardThe genetic code is redundant (i.e., most amino acids are coded for by more than one codon). Why is this beneficial when it comes to errors in DNA replication or transcription?arrow_forward
- Why is it advantageous to have a mechanism to override the effect of stop codons in protein synthesis?arrow_forwardWhich statement describes a difference between transcription in eukaryotic and prokaryotic cells? In eukaryotes, transcription occurs simultaneously with translation, while transcription in prokaryotes must complete before translation can begin. In eukaryotes, transcription is completed by an RNA polymerase, while transcription in prokaryotes is completed with a DNA polymerase. In eukaryotes, transcription produces an RNA molecule, while transcription in prokaryotes produces a DNA molecule. In eukaryotes, transcription produces a monocistronic RNA, while transcription in prokaryotes produces a polycistronic RNA. In eukaryotes, transcription produces an DNA molecule, while transcription in prokaryotes produces a RNA molecule.arrow_forwardRefer to the genetic code in Figure 15.10 to answer the following question Q. If a single transversion occurs in a codon that specifies Leu, what amino acids can be specified by the mutated sequence?arrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY