Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 15, Problem 3CHI
Would you expect that one day microbiologists might discover small interfering RNAs in archaea? If so, how might they function? Explain your answer.
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Chapter 15 Solutions
Prescott's Microbiology
Ch. 15.2 - Retrieve, Infer, Apply What is the advantage of...Ch. 15.2 - Prob. 2RIACh. 15.2 - Prob. 3RIACh. 15.2 - Prob. 4RIACh. 15.2 - Prob. 5RIACh. 15.3 - What functions are served by the 5 cap and the 3...Ch. 15.3 - Retrieve, Infer, Apply What elements in archaeal...Ch. 15.3 - Prob. 2RIACh. 15.3 - Prob. 3RIACh. 15.4 - Prob. 1RIA
Ch. 15.4 - Prob. 2RIACh. 15.4 - Prob. 3RIACh. 15.4 - Prob. 4RIACh. 15.5 - Retrieve, Infer, Apply List two similarities and...Ch. 15.5 - Prob. 2RIACh. 15.5 - Retrieve, Infer, Apply How are cis-encoded RNAs,...Ch. 15 - Prob. 1CHICh. 15 - All of the subunits in bacterial RNA polymerases...Ch. 15 - Would you expect that one day microbiologists...Ch. 15 - In the chapter opening story, it was stated that...Ch. 15 - Prob. 5CHI
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- Which of the following contribute(s) to the differences between the Archaea and the bacteria? O A. Archaea lack muramic acid. O B. Archaea have isopranyl glycerol ethers rather than fatty acid esters in their membrane lipids. O C. Archaea differ from bacteria in their tRNA composition, ribosome structure, antibiotic sensitivity, translation elongation factors, initiator TRNA, and DNA-dependent RNA polymerase structure. O D. all of thesearrow_forwardMany of the first prokaryotes to be cultured in a scientific lab were human or animal pathogens. Why would these species be more readily cultured than non-pathogenic prokaryotes? a. Pathogenic prokaryotes are hardier than nonpathogenic prokaryotes. b. Non-pathogenic prokaryotes require more supplements in their growth media. c. Most of the necessary culture conditions could be inferred for pathogenic prokaryotes. d. Pathogenic bacteria can grow as free bacteria, but non-pathogenic bacteria only grow as parts of large colonies.arrow_forwardWhich domain, Archaea or Eukarya, is more closelyrelated to Bacteria? What evidence is there to justifyyour answer?arrow_forward
- Draw a prokaryotic cell and show the different target parts of the cell where antibiotics can attack. Give an example of the antibiotic that attack these parts. schematic drawing will do, I can just draw it on my ownarrow_forwardWhy did Carl Woese propose the domain Archaea? The domain Bacteria already had too many organisms in its classification. The methanogens were discovered to be a complex organism, between prokaryotic bacteria and eukaryotes, thus it needed its own domain. He discovered that methanogens were too large to be classified as bacteria, but too small to be classified as Eukarya. In analyzing the rRNA of methanogens, he discovered that it was completely distinct from any other bacterial RRNA that had been studied. The DNA of methanogens was discovered to use different nucleotides than those of organisms in Eukarya or Bacteria.arrow_forwardCompare the digestive, respiratory and circulatory system of E coli bacteria and Cactus, then mention why the Eukaryotic species is more developed than the Prokaryotic one .arrow_forward
- We will perform a gram stain on our samples, so be sure to bring your instructions on gram staining. Will this procedure stain all cells? A. Yes, all prokaryotic and eukaryotic cells will be stained purple or pink. B. All prokaryotic cells will be stained. Eukaryotic cells will not be stained. C.Mycobacteria and a few other groups with special cell wall structures will not be stained. All other prokaryotic cells will be stained. Eukaryotic cells will be stained pink. D. Mycobacteria and a few other groups with special cell wall structures will not be stained. All other prokaryotic cells will be stained. Eukaryotic cells will be stained purple.arrow_forwardA scientist isolates a new species of prokaryote. He notes that the specimen is a bacillus with a lipid bilayer and cell wall that stains positive for peptidoglycan. Its circular chromosome replicates from a single origin of replication. Is the specimen most likely an Archaea, a Gram-positive bacterium, or a Gram-negative bacterium? How do you know?arrow_forwardWhen do bacteria form endospores? a-when they get ready to reproduce b-when environmental conditions become unfavorable c-when they get ready to carry out conjugation d-when they carry out photosynthesisarrow_forward
- Build a model of a prokaryotic cell using any material of your choice. In your model be sure to include all the structures appropriate to your cell. You may model a bacterial cell or an archaea You will model at least 4 structures in any model. Nextbuild a model of a virus using the same type of materials. You may choose any type of virus but be sure you can illustrate the key features of a virus (head shape for example) Once complete, take multiple photographs of your models from all anglesInclude these images in a document that also contains the following completed table format. You may need to add rows to your table depending on the type of prokaryote you modelarrow_forwardA bacterium has the following characteristics: I. It adheres to the human intestinal lining using a feature that protects it from phagocytes , bacteriophages, and dehydration. II. It can survive being boiled. III. It contains no plasmids and relatively little peptidoglycan. Which of the following characteristics allows this bacteria to survive in a human who is taking penicillin pills? A. gram-negative cell wall B. peptidoglycan in the cell wall C. lipopolysaccharides in the cytoplasm D. long polypeptides in the cell wallarrow_forwardDescribe the relationship between the original bacteria kingdom called monera and the domain called bacteria.arrow_forward
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