Why Are the Complementary Base-Pairing Rules So Important When a Cell

question 63

Multiple Choice

Why are the complementary base-pairing rules so important when a cell needs to copy its DNA?

• A) The cells need both strands to be accurate because each strand codes for one half of the gene.
• B) As long as there is one strand, a copy can be made by following the pairing rules.
• C) Unless the bases pair up correctly, the DNA strand can break apart.
• D) Transcription cannot proceed unless the pairs are in the proper sequence.

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