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Nucleic Acids

Nucleic Acids
Which of the following is a purine?

Uracil
Adenine
Cytosine
Thymine

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

rDNA
RNA
DNA
mRNA

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

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

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Nucleic Acids
Nucleoside is a pyrimidine or purine base

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

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

Phosphate
Deoxyribose
Adenine
Uracil

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

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

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