During DNA replication, why does DNA polymerase make the lagging strand discontinuous?
1. Proofreading leaves gaps after excising mismatched base pairs
2. DNA polymerase sometimes falls off and has to start over
3. DNA polymerase only works 5' to 3'
4.DNA polymerase only works 3' to 5'
Subtopic:  DNA Replication |
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Level 2: 60%+
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Which biological process ensures that genetic information is faithfully passed on to the next generation?

1. DNA replication
2. RNA splicing
3. Transcription
4. Translation
Subtopic:  DNA Replication |
 58%
Level 3: 35%-60%
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