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Author Question: Which of the following statements about the 5' end of a polynucleotide strand of (Read 696 times)

camila

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on: Jun 5, 2013
Which of the following statements about the 5' end of a polynucleotide strand of DNA is correct?
A) The 5' end has a hydroxyl group attached to the number 5 carbon of ribose.
B) The 5' end has a phosphate group attached to the number 5 carbon of ribose.
C) The 5' end has phosphate attached to the number 5 carbon of the nitrogenous base.
D) The 5' end has a carboxyl group attached to the number 5 carbon of ribose.
E) The 5' end is the fifth position on one of the nitrogenous bases.


Jesse_J

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Reply #1 on: Jun 6, 2013
Try this as the answer B. Hope it helps.


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camila

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Reply #2 on: Jun 6, 2013
Thx! :D


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Each New DNA Strand Grows from Its 5' End to Its 3' End p1 Each New DNA Strand Grows from Its 5' End to Its 3' End p1
Template strand of DNA Template strand of DNA
Formation of a polynucleotide by a hypothetical dehydration reaction Formation of a polynucleotide by a hypothetical dehydration reaction
Parameters of Polynucleotide Helices Parameters of Polynucleotide Helices
Arrangement of polynucleotide strand Arrangement of polynucleotide strand
Arrangement of polynucleotide strands Arrangement of polynucleotide strands
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