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Nucleic Acids

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

Adenine
Phosphate
Uracil
Deoxyribose

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Nucleic Acids
Which of the following is a purine?

Adenine
Thymine
Uracil
Cytosine

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Nucleic Acids
The most stabilizing force for nucleic acids is

Van der Waals
electrostatic bond
conformational entropy
hydrogen bonds

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Nucleic Acids
Nucleic acids can be analyzed experimentally by their

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

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

Uracil
Thymine
Cytosine
Adenine

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Nucleic Acids
The glycosidic bonds in DNA and RNA

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

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