Chapter 5. DNA Nucleotide Polymerization

Animation Activities

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Animation Activity: 5-30: DNA Nucleotide Polymerization

The direction of DNA elongation proceeds in the:

5′-3′ direction.

3′-5′ direction.

the 5′-3′ or 3′-5′ direction depending on which start codon is used.

the 5′-3′ or 3′-5′ direction depending on which stop codon is used.

None of the above is correct.

Correct.

Incorrect.

Try Again.

DNA polymerases add:

deoxyribonucleotides only to the 3′ end of a growing strand.

deoxyribonucleotides only to the 5′ end of a growing strand.

ribonucleotides only to the 3′ end of a growing strand.

ribonucleotides only to the 5′ end of a growing strand.

None of the above are correct.

Correct.

Incorrect.

Try Again.

________ catalyze(s) the synthesis of new DNA strands from a DNA template.

RNA polymerases

Primers

The 5′-hydroxyl group

DNA polymerases

The 3′-hydroxyl group

Correct.

Incorrect.

Try Again.

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Introduction