Category: Microbiology
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πIn general, the surface-area-to-volume ratio of eukaryotic cells is considerably smaller Correctthan that of bacteria or archaea. To overcome that handicap, eukaryotes evolved to house an extensive system of internal membranes Correctthat divide the cell into organelles Correct.
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in MicrobiologyEvaluate the paragraph and drag the labels to complete each of the sentences that discuss the advantages of compartmentalization in a eukaryotic cell. 1. In general, the surface-area-to-volume ratio of eukaryotic cells is considerably smaller Correctthan that of bacteria or archaea. To overcome that handicap, eukaryotes evolved to house an extensive system of internal membranes…
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π Match the organelles with their function: Location for the cellular process of photosynthesis – Chloroplast Correct
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in MicrobiologyMatch the organelles with their function. Location for the cellular process of photosynthesis Chloroplast Correct Location for storage of many types of degradative enzymes Lysosomes Correct Location for protein modification prior to secretion or delivery to other cellular compartments Golgi apparatus Correct Location for storage of protective compounds that break down lipids and detoxify certain…
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πComplete the following chart concerning archaea, bacteria, and eukaryotic cells: Labels – Rarely introns, No cytoskeleton and Very basic
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in MicrobiologyComplete the following chart concerning archaea, bacteria, and eukaryotic cells. Labels A. Rarely introns B. No cytoskeleton C. Very basic D. Linear E. 80S ribosomes F. Fairly complex G. Usually circular H. Lacks chromosomes I. Introns are J. common K. 75S ribosomes L. 70S ribosomes M. No introns
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π Identify any of the following that could compose the cell walls of some fungi.
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in MicrobiologyIdentify any of the following that could compose the cell walls of some fungi. Check All That Apply A. Cellulose B. Pectin C. Chitin D. Glucan E. Peptidoglycan
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πA newly isolated virus has been analyzed for its chemical structure, and has been found to contain DNA, protein, and lipids. Based on this information, identify its type by choosing the best answer below.
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in MicrobiologyA newly isolated virus has been analyzed for its chemical structure, and has been found to contain DNA, protein, and lipids. Based on this information, identify its type by choosing the best answer below. Multiple Choice A. Enveloped icosahedral virus B. Enveloped virus C. Naked icosahedral virus D. Naked virus
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π In the plaque assay, several dilutions of a sample containing phages are plated with appropriate host cells, enabling quantification.
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in MicrobiologyIn the _________blank assay, several dilutions of a sample containing phages are plated with appropriate host cells, enabling quantification.
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π Creutzfeldt-Jakob disease is a neurodegenerative disease caused by a prion.
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in MicrobiologyCreutzfeldt-Jakob disease is a neurodegenerative disease caused by a _________blank.
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π Viruses are agents that can infect all cell types; choose the correct answer to complete each sentence.: Viruses can infect all types of cells Correct., Numerous viruses infect bacteria. They are called bacteriophages Correct, or phages Correctfor short.
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in MicrobiologyViruses are agents that can infect all cell types; choose the correct answer to complete each sentence. 1. Viruses can infect all types of cells Correct. 2. Numerous viruses infect bacteria. They are called bacteriophages Correct, or phages Correctfor short. 3. Fewer viruses have been discovered that infect the other domain of non-nucleated cells, the…
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π An example of lysogenic conversion by a temperate phage is production of endotoxin by Shigella.
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in MicrobiologyAn example of lysogenic conversion by a temperate phage is _________blank. Multiple Choice A. production of endotoxin by Shigella B. infection of Escherichia coli with T4 phage C. infection of Salmonella by epsilon phage D. production of exotoxin by E. coli
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π Drag the labels to complete each of the sentences that discuss the differences between bacterial and archaeal cells.
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in MicrobiologyDrag the labels to complete each of the sentences that discuss the differences between bacterial and archaeal cells. While there are many similarities between bacteria and archaea, recognition of their differences resulted in them being sorted into entirely different taxa Correct, rather than being characterized as “prokaryotes.” The most notable differences are in the cell…