DNA Replication Quiz

In the accompanying image, a nucleotide is indicated by the letter _____.

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Which of these is a difference between a DNA and an RNA molecule?

• B

• A

• C

• D

This is an image of a(n) _____.

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The letter A indicates a _____.

• nucleic acid

• nucleotide

• thiol

• amino acid

• none of the above

A nitrogenous base is indicated by the letter _____.

• nucleotide

• phosphate group

• sugar

• nitrogenous base

• none of the above

You can tell that this is an image of a DNA nucleotide and not an RNA nucleotide because you see a _____.

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Which of these nitrogenous bases is found in DNA but not in RNA?

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Which of these is(are) pyrimidines?

• thymine

• cytosine

• uracil

• adenine

In a nucleotide, the nitrogenous base is attached to the sugar's _____ carbon and the phosphate group is attached to the sugar's _____ carbon.

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Nucleic acids are assembled in the _____ direction.

• 1' ... 3'

• 5' ... 3'

• 1' ... 2'

• 2' ... 3'