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2.2: DNA Replication: Key Concepts
This deck covers essential concepts of DNA replication, including the purpose of replication before cell division and the process of semi-conservative replication.
Why is DNA replicated before the nucleus divides?
To ensure that all the daughter cells have the genetic information to produce enzymes and other proteins that they need
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Key Terms
Term
Definition
Why is DNA replicated before the nucleus divides?
To ensure that all the daughter cells have the genetic information to produce enzymes and other proteins that they need
Describe the process of semi-conservative DNA replication
1. DNA helicase breaks hydrogen bonds between base pairs, separating the double helix into two strands
2. Each exposed polynucleotide strand acts as t...
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| Term | Definition |
|---|---|
Why is DNA replicated before the nucleus divides? | To ensure that all the daughter cells have the genetic information to produce enzymes and other proteins that they need |
Describe the process of semi-conservative DNA replication | 1. DNA helicase breaks hydrogen bonds between base pairs, separating the double helix into two strands
2. Each exposed polynucleotide strand acts as template whereby complementary free nucleotides bind by specific base pairing
3. Nucleotides are joined together in a condensation reaction by DNA polymerase |