BMS 424 Chapter 1 DNA‚ RNA‚ Historical Experiments & Structures Frederick Griffith Experiments with Streptococcus pneumoniae S. pneumoniae comes in two strains‚ smooth and rough strains S Smooth : Secrete a polysaccharide capsule; Protects bacterium from immune system of hosts; Produce smooth colonies on solid media. R Rough : Unable to form capsule; Produce colonies with a rough appearance. Griffith conducted experiments in 1928 using two strains of S. pneumoniae: type IIIS and type IIR :
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Crusades Leading up to the Crusades‚ secular kings and the church were constantly jockeying for superiority over one another. Kings status’s symbolically fluctuated constantly in the public eye by seemingly meaningless gestures. The Crusades‚ while a holy mission‚ were also a political weapon to increase the power of the popes of the middle ages. In the 1070’s Pope Gregory VII challenged the Holy Roman Empire. While this was the start of the rise and increase in the power of the papacy‚ Pope
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In the novel ‘Roll of Thunder’ T.J. Avery is a young black boy who has a younger brother named Claude and two sisters. His family work for Harlan Granger and T.J.’s best friend was Stacey Logan. T.J. is a deceitful‚ chatty‚ lying and arrogant boy. At the end of the novel‚ T.J. is wrongly accused of murder‚ caused by R.W. and Melvin Simms‚ and was beaten up and could possibly go on the chain gang‚ but would most likely die. There are a number of clues in the novel to suggest that T.J. would get into
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father died trying to get it. She explains to her suitor‚ Avery‚ “I don’t play that piano cause I don’t want to wake them spirits” (2.2). She faces that fear when Boy Willie comes to the house bringing a ghost with him; however‚ the ghost isn’t their dead relatives but Sutter’s. The presence of the ghost forces Berniece to face the past and Boy Willie to acknowledge that the past matters just as much as the future. The play concludes when Avery‚ who is a preacher‚ comes to the house to get rid of the
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experiment suggested that it is possible for a change in genotype and phenotype due to the assimilation of external DNA of the cell (basically that dna can transform) 3.Explain how the work of Avery‚ McCarty‚ and MacLeod expanded on the work done by Griffith. What did the results of their experiment suggest? Avery‚ McCarty‚ and MacLeod expanded the work done by Griffith by taking the heat treated pathogenic solution and breaking it down. They exposed the R strain (non pathogenic) to the purified S (pathogenic)
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Gender Representations: The Colour Purple and The Yellow Wallpaper Culturally throughout the world gender has been significant in forming social constructions‚ for years men and women have complied with the concept of women being the weaker sex. Alice Walker’s rites of passage novel The Colour Purple1 and Charlotte Gilman’s epistolary novella The Yellow Wallpaper2 represent gender in a similar way‚ and demonstrate the influence of the male roles within the lives of the two protagonists; physically
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taking the time to understand how this is affecting his family. He is unhappy with the life he leads because he did not get the opportunity to marry the woman he loves‚ Shug Avery. He takes out his anger on Celie simply due to the fact that Celie is not Shug. Albert’s father reprimands him for his compassionate treatment of Shug Avery. This confrontation unintentionally sparks the chain of events that bring Celie and Albert closer together by the end of the novel. Albert renews his life by listening to
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Alice Walker’s The Color Purple is a heart-wrenching novel that portrays a young girl‚ Celie‚ as a child wife living in the South struggling with the ability and knowledge of standing up for herself‚ mental and physical abuse‚ and the pain of not being loved and cared for. This story takes place during the early 20th Century in rural Georgia. During this time period‚ women were told only to serve others‚ to fulfill the interests of men rather than their own‚ given limited opportunities‚ and seen
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Cited: Loose Change. Dir. Dylan Avery. With Korey Rowe and Jason Bermas. Louder Than Words‚ 2005. Loose Change:2nd Edition Recut. Dir. Dylan Avery. With Korey Rowe and Jason Bermas. Louder Than Words‚ 2006. Loose Change Final Cut. Dir. Dylan Avery. With Korey Rowe and Jason Bermas. Louder Than words‚ 2007. National Commission on Terrorist Attacks. The 9/11 Commission Report. Washington
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all this Shug moves forward with her life and gets married to a prize fighter named Grady however Celie is still suffering abuse every day from Mr.____. The abuse is eventually shown to be extremely emotional as well after Celie finds out from Shug Avery that Mr.___ has been smuggling letters intended for Celie from her long lost sister Nettie. Shug finds one of these letters and give it to Celie and they later find the entire stash in a trunk. This mentally scarring realization that her sister has
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