Do all bacteria have capsules?

Do all bacteria have capsules? Not all bacterial species produce capsules; however, the capsules of encapsulated pathogens are often important determinants of virulence. Encapsulated species are found among both Gram-positive and Gram-negative bacteria. What bacteria does not have a capsule? Among the enterobacteries not having capsules one can quote : Pseudomonas aeruginosa, Shiguelles, Vibrio cholerae […]

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Are ATMs becoming obsolete?

Are ATMs becoming obsolete? 5. ATMs and Debit Cards. As we increasingly become a cashless society, ATMs will likely become extinct as well. Other financial industry experts also anticipated the demise of debit cards and PINs, particularly due to fraud concerns. What if an ATM keeps your money? What to Do If an ATM Eats […]

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What is meant by sine bar?

What is meant by sine bar? Definition of sine bar : a device that consists of a steel straightedge at whose extremities buttons are attached with their centers equidistant from the straightedge and that is used to locate work at desired angles on angle plates. How sine bars are used for angle measurement? Angles are […]

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