Chapter 14 wk 10 study questions.docx - Question 1 of 10...

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Question 1 of 101.0/ 1.0 PointsWhy do purines have to pair with a pyrimidine?A. Allows DNA to be antiparallelB. The distance between hydrogen bonds remains constantC. The distance between the two phophodiester backbones remain constant
Feedback: CorrectQuestion 2 of 101.0/ 1.0 PointsAn experiment started with15N15N DNA. After two generations in14N medium, E. coli will haveNN14
50%15N14N and 50%14N14NE.50%15N14N and 50%15N15NFeedback: CorrectQuestion 3 of 101.0/ 1.0 PointsSome scientists have proposed that the earliest forms of life may have existed in an “RNAWorld” where RNA was both the genetic material and responsible for enzymatic activity.Imagine that you have recreated such a life form. What would demonstrate that RNA, but notprotein or DNA, is necessary and sufficient for these functions?
Feedback: Learning Objective: Analyze the process of DNA replicationQuestion 4 of 101.0/ 1.0 Points

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