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Nucleic Acids

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

rDNA
RNA
mRNA
DNA

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Nucleic Acids
Nucleic acids can be analyzed experimentally by their

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

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Nucleic Acids
Which pyrimidine base contains an amino group at carbon 4?

Uracil
Adenine
Cytosine
Thymine

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Nucleic Acids
Because DNA is a highly charged polyanion, its stability to heat denaturation

decreases with increasing salt
increases with increasing salt
does not depend on hydrophobic interactions
is independent of G - C content

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

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

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Nucleic Acids
A nucleotide consists of

paired bases
a sugar and a phosphate
a sugar, a base and three phosphates
a sugar, a base and a phosphate

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