Staph, as well as other pathogens, may change genetically by means of plasmids. Plasmids are DNA molecules which carries a rich diversity of genes that benefit the host cell. In this specific case, the host cell is the Staph bacteium. Among other things, plasmids carry antibiotic resistance genes.
<span>To illustrate how an ordinary Staph aureus bacterium can evolve into a methicillin-resistant bacterium, let's use the patient who doesn't finish an antibiotic prescription of penicillin. The Staph is weakened but not killed. Bacterial plasmids work quickly to produce genes that make the bacteria resistant to the drug. These parent bacteria replicate and pass on the plasmids, along with the DNA they contain, to the "daughter" cells. Voila! Methicillin-resistant Staphylococcus aureus! With the new DNA in place, each subsequent generation of Staph will also be resistant. But do not think for one moment that MRSA is otherwise somehow different from Staphylococcus aureus. MRSA IS Staph. Staph with an added feature. </span>
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Britain also needed money to pay for its war debts. The King and Parliament believed they had the right to tax the colonies. They decided to require several kinds of taxes from the colonists to help pay for the French and Indian War. ... The colonists started to resist by boycotting, or not buying, British goods.
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this is the story my mom used to tell me.
our skin in white. and people even go to lengths to dye their skin an even lighter shade of white(the lighter your skin was the wealthier you were).
But as times came rolling around and segregation ended and the modern era started, people stopped caring so much about having white white skin. The natural tone was kind of yellow so people kind of used it is as a racist term.
hope this helped
