Some bacteria may produce proteolytic enzymes (molecules that break down proteins) to protect themselves against a defense mechanism in human hosts. This defense mechanism is antibody production fever O hydrochloric acid O siderophores
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What is the defense mechanism called in the question pictured below?
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- Explain how some bacterial cells may be just as dangerouswhen they are dead as when they are alive.Most metabolites pass through the cytoplasmic membrane via: secretion systems transport proteins osmosis diffusionA highly conserved endotoxin of gram negative bacteria is? Lipid A adhesin protease phospholipase endosporin
- Cenvas quco O Mucous membranes are quite thin and fragile. How can such delicate tissue provide defense against microbial invaders? O The mucus secreted by the mucous membrane physically traps microbes. O Both the mucus and the outer layer of cells are shed frequently. O The mucus is a physical trap that contains a variety of antimicrobial chemicals. O The mucus physically traps microbes, contains a variety of antimicrobial chemicals, and is shed constantly, along with the outermost layer of cells. Question 6 A major outcome in response to the is the production of O complement cascade activation; a MAC in which a hole is built in the cell wall. O adaptive immune system; dendritic cells. O innate immune system; antibodies. O NOD activation; complement system.V e. kidney stones Which of the following microorganisms require the major available (aW) of water to proliferate? ¿Cuál de los siguientes microorganismos requiere la mayor cantidad de agua disponible (aW) para proliferar? O Penicillium spp. O Xeromyces spp. O Escherichia coli O Pseudomonas aeruginosa O Staphylococcus aureus Mention and describe the two types of bacterial resistance to antibiotics. Mencione y describa los dos tipos de resistencia bacteriana a los antibióticos. A-Diseases that involve biofilm-producing bacteria are of serious concern. They are not as easily treated compared with those involving free-floating (or planktonic) bacteria. Explain three reasons why biofilms can be more pathogenic.
- As the immune system increases fluids in a tissue resulting in swelling and increased mucus production during infection a bacteria will utilize to maintain themselves in a patient's tissue. Salmonella would utilize these to maintain themselves in the gastrointestinal tract and not be pushed out of the host by peristalsis. O Adhesins O Exoenzymes O Endotoxins O Exotoxins O None of the above applyVhich of the following does NOT describe a mechanism of antibiotic resistance among bacteria O enzymes to hydrolyze or chemically alter the antibiotics O efflux pumps Omutations in target moleclues so that antibiotics can no longer bind O increased synthesis of porins to increase antibiotic diffusion across membranes O cell wall diffusion barrier, e.g. Gram-negative outer membrane, ACid Fast cell wall of Mycobacterium Question 9 Bonus: You are treating a patient with inhalation anthrax with antibiotics. After 2 weeks of antibiotics, the patient seems greatly improved and you discharge the patient.Antibodies made against a bacterium's would bloick attachment to host cell surface receptors (best answer) fimbriae O flagella O ribosomes endospores
- Different types of bacteria are found inbiofilm. Bacteria with oxygen respiration are found at the surface, further down there are anaerobic bacteria. Why is it that you find other bacteria that doesnt need oxygenWhich of the following statement(s) correctly apply to biofilms? (Select all that apply) O Biofilms in pipes can block the flow of water. O Biofilms in your body protect mucous membranes from harmful microbes. O Biofilms on rocks provide food for animal life. O Biofilms on medical devices cause infections. O Compared to free-living bacteria, biofilms are more sensitive to antibiotics.Hydrolytic extracellular enzymes which decompose recalcitrant SOM are typically secreted by which of the following microorganism? -algae -Cyanobacteria -archea -fungi -Myxobacteria