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Late in his life W.E.B. Dubois revised his ideas about the “…

Late in his life W.E.B. Dubois revised his ideas about the “Talented Tenth” because:

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In the assigned reading by OiYan Poon about affirmative acti…

In the assigned reading by OiYan Poon about affirmative action in college admissions, which of the following is listed as a common false belief about affirmative action?

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In his article “The ‘Acting White’ Theory Doesn’t Add Up,” I…

In his article “The ‘Acting White’ Theory Doesn’t Add Up,” Ivory Toldson offers which of the following arguments to debunk the “acting White” theory:

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Sometimes, when Mendel crossed two pea plants with each othe…

Sometimes, when Mendel crossed two pea plants with each other, he obtained a phenotypic ratio of 3:1 purple-flowered pea plants to white-flowered pea plants. These results are consistent with which set of parents?

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During anaphase I, which best represents segregation of the…

During anaphase I, which best represents segregation of the chromatids that make up one pair of homologues? (M represents a maternal chromatid and P represents a paternal chromatid. Assume no crossing over occurs.)

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Prisha knows her blood type is A, but Sebastian does not kno…

Prisha knows her blood type is A, but Sebastian does not know his blood type. However, Sebastian knows that his mother and father both had blood type B. Prisha and Sebastian’s first child is a boy with type O blood. Based on this information, Sebastian’s blood type could be

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Determine the signs of heat and work based on the following…

Determine the signs of heat and work based on the following scenarios: The reaction is exothermic q=[q] The volume increases w=[w]. 

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Tris (C4H11NO3) is commonly used as a buffer component in bi…

Tris (C4H11NO3) is commonly used as a buffer component in biochemistry research. How many grams of Tris is needed to create a 350. mL solution of 0.0390 M Tris solution? 

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Which of the following is/are oxidation reduction (Redox) re…

Which of the following is/are oxidation reduction (Redox) reactions? 

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A calorimeter containing 769.0 g of water at an initial temp…

A calorimeter containing 769.0 g of water at an initial temperature of 25.00 °C was used to measure the heat involved in a reaction. When the reaction was finished, the temperature of the water increased to 33.90 °C. Is the reaction endothermic or exothermic and how much heat energy involved in the reaction? (swater=4.184 J/goC)  The reaction is [1]. The amount of heat exchanged is [2]. 

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