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Nucleic Acids

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

rDNA
mRNA
RNA
DNA

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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

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

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

Large genome
Large fragments
None of these
Small fragments

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Nucleic Acids
Which of the following is a purine?

Cytosine
Thymine
Uracil
Adenine

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Nucleic Acids
Nucleoside is a pyrimidine or purine base

covalently bonded to a sugar
ionically bonded to a sugar
hydrogen bonded to a sugar
None of these

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Nucleic Acids
Nucleotide bases and aromatic amino acids absorb light respectively at

270 and 280 nm
280 and 260 nm
260 and 270 nm
260 and 280 nm

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