Day3_DNA Quiz

Day3_DNA Quiz - Question 1 of 8 0.5 Points

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Question 1 of 8 0.5 Points The sugar ribose can be differentiated from the sugar deoxyribose by  determining whether a hydroxyl (-OH) is attached to which carbon of the sugar? A. a. Carbon #1 B. Carbon #2 C. Carbon #3 D. Carbon #4 Answer Key: B Feedback: Correct! The sugar ribose has a hydroxyl (-OH) attached to both  carbon #2 and #3, while deoxyribose has only hydrogen attached to carbon #2  (but a hydroxyl still at carbon #3). As its name implies, deoxyribose is lacking an  oxygen! Question 2 of 8 0.5 Points The nucleic acids DNA and RNA are polymers formed from long chains of  nucleotides. The bond that holds the nucleotides together is called a  phosphodiester bond. How does this bond form? A. There is a reaction between Carbon #3 of one nucleotide, and Carbon #5 of the next nucleotide. B. There is a reaction between the hydroxyl attached to Carbon #2 of one nucleotide, and the phosphate attached to Carbon #5 of the next nucleotide. C. There is a reaction between the hydroxyl attached to Carbon #3 of one nucleotide, and the phosphate attached to Carbon #5 of the next nucleotide. D. There is a reaction between Carbon #1 of one nucleotide, and Carbon #5 of
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Day3_DNA Quiz - Question 1 of 8 0.5 Points

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