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Nucleic Acids

Nucleic Acids
A five carbon sugar lacking a hydrogen at the number 2 carbon is found in

mRNA
DNA
RNA
rDNA

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Nucleic Acids
The unfavourable free energy associated with not satisfying a hydrogen bond after formation of the double helix is approximately

10 kJ/mol
25 kJ/mol
30 kJ/mol
20 kJ/mol

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Nucleic Acids
In gel electrophoresis, what fragments will move most quickly through a gel?

Large fragments
Small fragments
None of these
Large genome

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Nucleic Acids
The most stabilizing force for nucleic acids is

electrostatic bond
hydrogen bonds
Van der Waals
conformational entropy

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Nucleic Acids
Which of the following is found on RNA but not DNA?

Adenine
Uracil
Deoxyribose
Phosphate

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Nucleic Acids
The glycosidic bonds in DNA and RNA

are free to rotate over about 180°
connect the sugar to the base
stabilize Watson-Crick H-bonds
can be hydrolyzed by OH- ion

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