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A: Bacteria are member of a large group of unicellular microorganisms. It has cells walls, but lack…
Q: What is meant by the term “staphylococcus”? Bacteria that are round and arranged in clusters…
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Q: you able to distinguish between specific species of bacteria? Why, or why not? Which method for…
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Q: What are the differentiating properties of the five majormorphological groups of Cyanobacteria?
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Q: Which morphological groups can Cyanobacteria bedivided into?
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Q: Give general characters of archaebacteria.
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Q: Which of the following statements show characteristics of Archaebacteria? I. The cell walls do not…
A: On the basis of cellular organisation the living domain can be divided into eukarya, archaea and…
Q: What is the endosymbiotic hypothesis?
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Q: What is endosymbiotic theory ? explain the assumptions of the endosymbiotic theory ?
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Q: Which of the following have been suggested to comprise the most ancient branch of the euryarchiotes?…
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Q: is gloeotrichia cyanobacteria branched or unbranched?
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Q: Describe the origin of F' bacteria and merozygotes.
A: Conjugation is merely the fusion of two compatible bacterial cells. Bringing two genotypes together…
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Q: Give a detail note on evolutionary tendency in monera (Bacteria, actinomyces, cyanobacteria)
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Q: Besides the use for taxonomy, of what importance are granules and fat globules to bacteria?
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Q: What distinguishes archaea from bacteria? Select all that apply. A. Presence of a nucleoid B.…
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Q: What characteristics (e.g. shape, arrangement, habitat, special internal and external structures,…
A: If we design a bacterial species we need to consider the shape , arrangement , habitat structure…
Q: What does the endosymbiotic hypothesis propose?
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A: Hands are the important route of intrapersonal and interpersonal transfer of microorganisms.
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- 35) Researchers have found a new type of bacteria, and they want to determine its phylum. What would be the most reliable method to do so? A) Conducting a Gram-stain test B) Performing an analysis of metabolic pathways C) Determining the ribosomal RNA sequence of the bacteria D) Analyzing the morphological characteristics of the bacteria1) What cell would a metabolically active form of prokaryotes?? a) living b) vegetative c) active d) sporulative e) cystic 2) Categroize the "possible answers descriptions (which are attributes and classifications)" in the image to the bacteria:Which of the following are characteristics of archaebacteria? a) Methane-producersb) Extreme halophilesc) Thermoacidophilesd) All of the above e) They lack peptodoglycan in their cell wall
- Which of the following describes a bacteria that is circular in shape and found in groups of 4? O 1) tetrad O 2) sarcina O 3) diplococci O 4) streptobacilli O 5) streptococcusYou have discovered a new coccoid-shaped microorganism with no nucleus, a rigid cell wall, and a diameter of 2 μm. Chemical tests reveal that its cell wall does NOT contain peptidoglycan. The new microorganism is A) most likely a bacterium. B) most likely a eukaryote. C) most likely an archaeon. D) either a bacterium or an archaeon.The use of the Gram stain in microbiology is important because it differentiates A) Bacteria from Archaea. B) prokaryotic from eukaryotic cells. C) bacterial cells with different types of cell walls. D) archaeal cells with different types of metabolism.
- Which among A-C is not matched correctly? A) O Pseudomurien: comprises cell wall of Archaea B) O Mycoplasma: bacterial species that lack a cell wall C) OMycolic acıds: unusual cell wall components of Mycobacteria species ) O All are matched correctly30) A water sample from a hot thermal vent contained a single-celled organism that had a cell wall but lacked a nucleus. What is its most likely classification? A) Eukarya B) Archaea C) Animalia D) Protista E) Fungi 31) To establish a link between a specific bacterium and a skin disease, researchers have shown that the bacterium was present in sick persons but not in healthy individuals. They isolated the bacterium in a pure culture and demonstrated that experimental healthy animals injected with this culture became sick. What other experiment do researchers need to perform to be absolutely sure that the bacterium is responsible for the disease? A) Demonstrate that the bacterium belongs to the pathogenic lineage B) Demonstrate that the bacterium is not able to live outside of humans or animals C) Isolate bacterium from an infected sick animal and demonstrate that it is the same bacterium as the one used for infection D) Isolate bacterium from an infected sick animal and demonstrate…An organism of the genus Staphylococcus is ________, while an organism of the genus Spirochaeta is ________. A) spherical / rod shaped B) rod shaped / coiled C) spherical / coiled D) coiled / spherical
- 14) A streptobacillus shaped bacteria have the following shape/sructure: a) long chain of capsule/rodshaped cells b) long chain of spherical-shaped cells c) a single spherical-shaped cell d) a single capsule/rod-shaped cell e) none of the above.15) If you are a passenger on the “Magic School Bus” and you want to “explore” the cytoplasmic component of a Gram -ve bacteria, you will have to go through: a) two membranes separated by periplasm and thick peptidoglycan region b) two membranes separated by periplasm and thin peptidoglycan region c) A glycocalyx and a membrane separated by a thin peptidoglycan region d) a thin peptidoglycan region & one membrane e) a thick peptidoglycan region & one membrane 16) If you are a passenger on the “Magic School Bus” and you want to “explore” the cytoplasmic component of a Gram +ve bacteria, you will have to go through: a) two membranes separated by periplasm and thick peptidoglycan region b) two membranes separated by periplasm and thin…After 5 days from the trip, Adnan noticed that his foot was red and it started to itch.a) What organism could have caused these symptoms? (write the name of the kingdom) b) Write the scientific name of an organism that might have caused the symptoms.Bacteria of the genus Mycoplasma are distinguished from other bacterial cells by 1) cell walls composed solely of amino acids. O 2) the absence of a cytoplasmic membrane. O 3) the absence of a cell wall. O 4) Have large capsules. 5) the presence of mycolic acid in their cell walls.