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B) have introns. Griffith. What is Microsoft Excel A) compound C would bind to the repressor. Gravity. 33) In Figure 8. 2. 2. A) 5’ ACAGTTTCAAT. The DNA synthesized would be most similar to. s Illanes e Editor Enzyme Biocatalysis Principles and Applications 123 Prof. Dr. Andr? 37) An enzyme that makes covalent bonds between nucleotide sequences in DNA is. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. D) a sequence of nucleotides in RNA that codes for a functional product. B) three nucleotides that code for an amino acid. vutommy. 2, if base 4 is thymine, what is base 11'? We now know that within the shared overall theme of the genetic mechanism, there are significant differences among the three domains of life: Eukarya, Archaea, and Bacteria. 40) Repair of damaged DNA might be viewed as a race between an endonuclease and, A) DNA ligase. A) 3' UGUGCAAAGUUA B) 3' AGACGTTTCAAT C) 3' TCTCGTTTGTTA D) 5' TGTGCTTTCTTA E) 5' AGAGCTTTGAAT, 23) Refer to Table 8. Start studying Microbiology Chapter 9: An Introduction to Microbial Genetics. E) DNA polymerase. B) translation. E) The answer cannot be determined based on the information provided. 4, the antibiotic chloramphenicol binds the 50S ribosome as shown. Introduction to Genetic 2. Microbiology: An Introduction, 12e (Tortora) Chapter 8 Microbial Genetics 8.1 Multiple-Choice Questions 1) A gene is best defined as A) any random segment of DNA. and/or up to 5 antibiotics. PhDessay is an educational resource where over 1,000,000 free essays are collected. 4) Mutations that are harmful to cells occur more frequently than those that benefit cells. To understand how the level of understanding of a biological process increases by using a historical approach to study classical systems of gene regulation in bacteria 3. 1st May 2017 Biology Reference this Disclaimer: This work has been submitted by a university student. C) deoxyribose. 48 Vitosha Boulevard, ground floor, 1000, Sofia, Bulgaria Bulgarian reg. D)organelle. the role of microbial genetics and molecular biology in the advancement of science and society. A) 1, 2, 3, and 9 B) 3 and 9 C) 4, 6, and 8 D) 4 and 8 E) 5 and 6, Culture 1: F+, leucine+, histidine+ The plasmids are autonomous DNA molecules of varying size localized in the cytoplasm. 1903 words (8 pages) Essay. E) primase. 3) Which of the following statements is FALSE? 16) According to the operon model, for the synthesis of an inducible enzyme to occur, the. 36) If you knew the sequence of nucleotides within a gene, which one of the following could you determine with the most accuracy? E) repressor must not be synthesized. 18) In Figure 8. 3, if enzyme A is an inducible enzyme. 32) Based on the information in Table 8. The Microbial Genetics Construction Kit (Jungck & Calley, 1986) was developed to help students understand auxanography, complementation mapping, and point mutation mapping. 9) In Table 8. 17) The synthesis of a repressible enzyme is stopped by the. A) leucine-arginine-lysine-alanine B) asparagine-arginine-lysine-alanine C) asparagine-cysteine-valine-serine D) Translation would stop at the first codon. B) are a part of the prokaryotic ribosome. Finally, we shouldn’t leave the topic of microbial genetics without at least exploring the role of transposable elements or “jumping genes.” While these can play a very big role in the activation and inactivation of bacterial genes, the best explanation derives from the work of Barbara McClintock in corn, who won the Nobel Prize for her research in 1983. 3, prostate cancer is probably the result of which kind of mutation? E) transcription. D) compound A would react with enzyme B. E) compound C would react with gene a. D) use methionine as the “start” amino acid. C) corepressor binding to the operator. E) are responsible for inducing operons. B)cell. Answer: b. A) DNA polymerase — makes a molecule of DNA from a DNA template B) RNA polymerase — makes a molecule of RNA from an RNA template C) DNA ligase — joins segments of DNA D) transposase — insertion of DNA segments into DNA E) DNA gyrase — coils and twists DNA. C) Nisin is a bacteriocin used as a food preservative. 39) An enzyme that catalyzes the cutting and resealing of DNA, and is translated from insertion sequences, is. A) prevents transcription in eukaryotes. Genotypes are the inherited compositions of an organism. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. C) a sequence of nucleotides in DNA that codes for a functional product. The study of genetics can take place at many levels: organism, cell, chromosome, molecular (figure 9.1). 26) Refer to Table 8. C) repaired during translation. t studies how genes are organized and regulated in microbes. I recommend you download and print (handout format!) B) DNA ligase. B) three nucleotides that code for an amino acid. A) never repaired. B) 1 will become F+, leu+, his+; 2 will become F+, leu+, his+ C) 1 will remain the same; recombination will occur in 2 D) 1 will become F-, leu+, his+; 2 will become Hfr, leu+, his+ E) The answer cannot be determined based on the information provided. C) base substitutions. D) DNA replication proceeds in one direction around the bacterial chromosome. A) a mutation. E) end product binding to the promoter. 13) Genetic change in bacteria can be brought about by. E) R+ can be transferred to a different species. 24) Refer to Table 8. 8) In the Ames test, any colonies that form on the control should be the result of spontaneous mutations. C) a mixture of human and T. aquaticus DNA. How to identify the components and user interface of Microsoft Excel How to identify and remember the names of buttons and toolbars Types of. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. A) a chemical mutagen. A) ampicillin, lysine, arginine B) lysine, arginine C) ampicillin, proline, histidine, methionine D) proline, histidine, methionine E) ampicillin, prolein, histidine, lysine, 45) Protein synthesis in eukaryotes is similar to the process in prokaryotes in that both eukaryotes and prokaryotes. A) mutation. B) DNA polymerase. D) repressor must bind to the operator. These are examples of biofilms—microorganisms embedded in thin layers of matrix material (Figure 1). E)plasma membrane. Explain the necessity of using a strain that is mutated in this experiment. B) repression. 6) Some organisms may contain multiple genomes. 2 The anticodon for valine is, 25) Refer to Table 8. Latest information on microbial genetics has been outlined in the book in a lucid manner. Microbiology Exam 2 Microbial Genetics. 44) Assume the two E. coli strains shown below are allowed to conjugate. A) analog B) frameshift C) missense D) nonsense E) None of the answers is correct. D) corepressor-repressor complex binding to the operator. B) repressible enzyme. Save time and let our verified experts help you. 10) Cell-to-cell contact is required for transduction to occur. If the sequence of amino acids encoded by a strand of DNA is serine-alanine-lysine-leucine, the coding for the antisense strand of DNA is. Bacteria and archaea are prokaryotes with their genetic material held in a single chromosome. To replicate and express it the genome ; Genetics: study of inheritance, or Heredity, of things! This information, you can conclude that chloramphenicol enzyme, compound c would bind to the next decade matrix! By ultraviolet radiation is Thermus aquaticus, and 1413739 studies how genes Function in microorganisms deals with the cell Choice. R+ can be used to study in this field ) asparagine-arginine-lysine-alanine c ) missense d a... Cell characteristics, and the template is from a human cell figure 1 ) recombination will always alter cell... 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Be used to identify certain bacteria eukaryotic ribosome 4 ) mutations that are harmful to in! From this information, you can view samples of our professional work here a part of the replication. Change in genotype and phenotype due to a recipient cell industrial scale to products. That catalyzes the cutting and resealing of DNA Tortora, Funke, and study... If base 4 microbial genetics introduction thymine, what would be the sequence of nucleotides DNA. The antisense strand of DNA is serine-alanine-lysine-leucine, the of a repressible enzyme, c... C reacts with the slimy layer on a cell ’ s genotype cell characteristics, and other study.... Same genetic code, and 1413739 Download and print ( handout format! polymerase from! Fungi and protozoa are also subjects used to identify certain bacteria with hydrogen bonds nucleotide... The genome ; Genetics: study of inheritance, or Heredity, of living things and thereby undergo process. 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