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Nucleic Acids

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

mRNA
RNA
rDNA
DNA

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

Large fragments
Small fragments
Large genome
None of these

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Nucleic Acids
A purine with an amine (NH2) group on the 6th carbon is

adenine
cytosine
thymine
guanine

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Nucleic Acids
The glycosidic bonds in DNA and RNA

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

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Nucleic Acids
A nucleotide consists of

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

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Nucleic Acids
Which of the following is a purine?

Adenine
Thymine
Uracil
Cytosine

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