Describe the type of symbiosis best represented by E.coli and human large intestine. - When can E.coli become potentially pathogenic (disease-causing)?
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Q: -What is dikarion?
A: Dikaryon is a cell with two unfused nuclei after the fusion of two hyphae.
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Q: When can E. coli become potentially pathogenic (disease-causing)?
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- - Is there an advantage bacterial diseases could provide? Explain why or why not.-Since microorganisms are so minute that you cannot even see and appreciate the individual organisms by your naked eye, would you still bother to know about their nature and activities? If yes, what aspect/s about them do you really find interesting? -Compare and contrast the viruses, viroids and prions on the basis of: their nucleic acid and protein components their preferred hosts-What is dikarion?
- Which of the following statements correctly describes exotoxins and endotoxins produced by various bacteria? A. endotoxins are secreted into the environment while the bacteria are still alive B. exotoxins are secreted into the environment while the bacteria are still alive C. exotoxins are only released into the environment when the bacteria die and their cell walls break down D. exotoxins are components of the outer membrane of the bacteria that produce them- Mycoplasma MICROBIO-VIROLOGY advanced have gram positive cell walls are cells with prokaryotic organization are bacteria typically found in contaminated soils. can have intracellular replication. cause skin infections. - Which of the following amino acids has a hydrophobic side chain? BIOCHEMISTRY basic Methionine Glutamine Lysine Serine Glutamic acid - Which of the following is true regarding viruses? MICROBIO-VIROLOGY basic Released viral particles during cell lysis or budding arecalled virions. Viruses have a protein capsid and an envelope. Viruses are obligate intracellular parasites. Virus genome can be DNA, RNA, single or double stranded. Outside the host, viruses are inactivated within 24 hours. - On the respiratory system what are the correct statements? PHYSIOLOGY basic Partial pressure of carbon dioxide (pCO2) is higher in alveoli than in atmospheric air. Surfactant reduces surface tension within the alveoli Elastic recoil of the lungs…Viruses are obligatory parasites. When bacteriophages infect a cell, there would be two possible outcomes regarding the fate of that bacterium. Can you describe the structures and life cycles of the T-even bacteriophage in detail?
- Escherichia Coli- How it has been studied The conditions needed for the pathogen to grow and thrive The metabolic processes the pathogen undergoes Please use the CDC website as your source.- ↓ nutrients, ↑ metabolic waste, overcrowding- culture becomes sterile- accelerated binary fission- adaptation, synthesis of DNA, RNA, proteins Answer a, b , c or d in each oneExplain how E.coli helps in human digestion. Please include following points: Mutualistic relationship with its host organism Both gain benefits Helps the host with absorption of Vitamin K Host provides a safe environment to E.coli Helps the digestion process and food breakdown E.coli obtains food from host organism
- Differentiate between bacterial infectionand bacterial intoxication. Discuss the importance of E. colias part of our intestinal flora. Describe three (3) different types of gastrointestinal diseases caused by bacteria. Be sure to give the name of the specific organism that causes each, describe some common signs and symptoms and discuss treatment for each disease: Define meningitis.Compare and contrast between bacterial and viral meningitis including treatment for each. What is a prion? Describe the impact prionshave on the human brain and discuss two prion-associated diseases in humans: What is a vector-borne (vector transmitted) disease? Give an example of a vector borne disease and the vector responsible for causing it:In your own words Create short story or poem related to E.coli. And explain what it is about.Students sometimes react with horror and distress when they discoverthat cats and dogs carry parasites to humans. Give an example of adisease for each of these animals that can be spread to humans, andexplain how to avoid these diseases and still enjoy your pet.