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Nucleic Acids

Nucleic Acids
Which of the following is a purine?

Cytosine
Uracil
Thymine
Adenine

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

None of these
Large genome
Large fragments
Small fragments

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Nucleic Acids
Nucleic acids can be analyzed experimentally by their

absorption of uv light
none of these
absorption of visible light
molecular weight

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

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

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Nucleic Acids
The sugar in RNA is __________ , the sugar in DNA is __________

ribose, uracil
deoxyribose, ribose
ribose, phosphate
ribose, deoxyribose

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

DNA
rDNA
mRNA
RNA

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